the chemical that makes up genetic material

Answers

Answer 1

The chemical that makes up genetic material is called nucleic acid. Specifically, DNA deoxyribonucleic acid and RNA ribonucleic acid are the two types of nucleic acids that store and transmit genetic information in living organisms.

What are acids ?

Acids are substances that have a pH less than 7 and can donate a hydrogen ion (H+) to a solution. They are characterized by their sour taste and their ability to dissolve metals, react with bases, and change the color of indicators. Acids can be categorized as strong or weak based on their ability to ionize in water. Strong acids ionize completely in water, while weak acids only partially ionize.

What is an ionize ?

Ionization refers to the process of converting a neutral atom or molecule into an ion by adding or removing one or more electrons. This can occur through a variety of methods, such as heating, chemical reactions, or exposure to radiation. When an atom loses one or more electrons, it becomes positively charged and is called a cation.

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Related Questions

a thick copper wire connected to a voltmeter surrounds a region of time-varying magnetic flux, and the voltmeter reads 7 volts. if instead of a single wire we use a coil of thick copper wire containing 24 turns, what does the voltmeter read?

Answers

When using a coil of thick copper wire containing 24 turns, the voltmeter would read 168 volts

To determine the new voltmeter reading when using a coil with multiple turns, we'll use Faraday's Law of Electromagnetic Induction. Faraday's Law states that the induced electromotive force (EMF) in a closed loop is equal to the negative rate of change of magnetic flux through the loop. The formula for Faraday's Law is:
EMF = -N * (ΔΦ/Δt)
where EMF is the induced electromotive force, N is the number of turns in the coil, ΔΦ is the change in magnetic flux, and Δt is the change in time.
Since we know the initial voltmeter reading with a single wire (7 volts), we can use this information to determine the change in magnetic flux (ΔΦ/Δt) for the single wire:
7 volts = -1 * (ΔΦ/Δt)
Now, we can find the induced EMF for the coil with 24 turns:
EMF = -24 * (ΔΦ/Δt)
We already know the value of ΔΦ/Δt from the single wire, which is -7. So we can plug that value into our formula:
EMF = -24 * (-7)
EMF = 168 volts
Therefore, when using a coil of thick copper wire containing 24 turns, the voltmeter would read 168 volts.

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Question 21
Which is the standard measure for water turbidity?
a. nephelometric turbidity unit
b. siple turbidity unit
c. formazin turbidity unit
d. jackson turbidity unit

Answers

The standard measure for water turbidity nephelometric turbidity unit. Option A is the correct answer.

Water turbidity is a measure of the cloudiness or haziness of water caused by suspended particles that scatter and absorb light.

The standard measure for water turbidity is the Nephelometric Turbidity Unit (NTU), which measures the amount of light scattered by particles in the water sample.

The NTU is determined using a nephelometer, which measures the intensity of light scattered at a 90-degree angle to the incident light. The higher the turbidity of the water, the higher the NTU reading.

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A 1300 kg car is stopped at a traffic light. A 3000 kg truck moving at a speed of 8 m/s hits the car from behind. If the cars stick together, how fast will they be moving into the intersection?

Answers

Answer:

v = 5.58 m/s

Explanation:

Momentum of the truck = mass of the truck x velocity of the truck

= 3000 kg x 8 m/s

= 24000 kg·m/s

Momentum of the car = mass of the car x velocity of the car

= 1300 kg x 0 m/s

= 0 kg·m/s

Total momentum before = Momentum of the truck + Momentum of the car

= 24000 kg·m/s + 0 kg·m/s

= 24000 kg·m/s

Total mass after = mass of the car + mass of the truck

= 1300 kg + 3000 kg

= 4300 kg

Total momentum before = Total momentum after

24000 kg·m/s = (1300 kg + 3000 kg) x v

24000 kg·m/s = 4300 kg x v

v = 24000 kg·m/s / 4300 kg

v = 5.58 m/s

19) What are cosmic rays? A) subatomic particles that travel close to the speed of light B) gamma rays and X rays C) fast-moving dust particles in the interstellar medium D) any light waves from space E) lasers used as weapons by extraterrestrials

Answers

Cosmic rays are subatomic particles that travel close to the speed of light.

Cosmic rays are high-energy particles, such as protons, electrons, and atomic nuclei, that travel through space at nearly the speed of light. They can originate from various sources in space, including supernovae, black holes, and active galactic nuclei.

They are high-energy particles that originate from various sources in space, including supernovae and black holes. Cosmic rays can include protons, electrons, and even atomic nuclei. These particles can interact with other particles in space, such as the interstellar medium, to create gamma rays and other types of radiation. While they are called "rays," cosmic rays are actually individual particles and not waves of light.

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Question 25
Perhaps the first indication of the health problems associated with exposure to ionizing radiation were the result of a high incidence of
a. Fetal deaths
b. Cardiovascular disease
c. Skin cancers
d. Benign tumors

Answers

Perhaps the first indication of the health problems associated with exposure to ionizing radiation were the result of a high incidence of fetal deaths.

Therefore the answer is a. Fetal deaths.

The first indication of health problems associated with exposure to ionizing radiation was observed in the 1920s and 1930s among female radiation workers who experienced a high incidence of fetal deaths and stillbirths. This phenomenon was later known as the "atomic bomb baby" or the "Hiroshima and Nagasaki effects" after the atomic bombings of Japan during World War II.

The exposure to ionizing radiation can damage DNA and disrupt cell division, leading to genetic mutations and cell death, which can result in miscarriages, fetal malformations, and other reproductive problems.

Other health effects of ionizing radiation exposure include an increased risk of cancer, cardiovascular disease, cataracts, and thyroid disorders.

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what is the total charge on all the electrons in 1.0 kg sum of their charges is qr. what charge must each have of h2o?

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-5.34 x 10⁷ Coulombs is the total charge on all the electrons in 1.0 kg sum of their charges is qr.

To find the total charge on all the electrons in 1.0 kg of H2O, we need to first determine the number of water molecules in 1.0 kg and then calculate the total charge based on the charge of each electron.
1. Find the number of moles in 1.0 kg of H2O:
Molar mass of H2O = (2 x 1) + 16 = 18 g/mol
1.0 kg = 1000 g
Number of moles = (1000 g) / (18 g/mol) = 55.56 moles
2. Find the number of water molecules:
Number of molecules = 55.56 moles × (6.022 x 10²³ molecules/mol) ≈ 3.34 x 10²⁵ molecules
3. Determine the total number of electrons:
Each H2O molecule has 10 electrons (2 from each hydrogen atom and 8 from the oxygen atom). So, the total number of electrons = 3.34 x 10²⁵ molecules × 10 electrons/molecule ≈ 3.34 x 10²⁶ electrons
4. Calculate the total charge:
Each electron carries a charge of -1.6 x 10⁻¹⁹ C. Therefore, the total charge (qr) = 3.34 x 10²⁶ electrons × (-1.6 x 10⁻¹⁹ C/electron) ≈ -5.34 x 10⁷ C.
In summary, the total charge on all the electrons in 1.0 kg of H2O is approximately -5.34 x 10⁷ Coulombs.

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Un vuelo internacional parte a las 16 horas 35min 47sg, si el viaje dura 10horas 40 min y 35seg, a que hora llega a su destino

Answers

To find the arrival time of an international flight, we add the duration of the trip to the departure time. In this case, the flight arrives at 3:16:22 AM.

The problem presents a scenario in which we are given the departure time of an international flight and its duration, and we are asked to determine the arrival time.

To solve this, we simply add the duration of the trip to the departure time. In this case, we added 10 hours, 40 minutes, and 35 seconds to the departure time of 4:35:47 PM.

4:35:47 PM + 10 hours, 40 minutes, 35 seconds = 3:16:22 AM

Therefore, the flight arrives at its destination at 3:16:22 AM. The resulting time, 3:16:22 AM, is the arrival time at the destination.

It is important to note that we used the 24-hour clock to represent the times in this problem, which is commonly used in international travel.

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47. What is the ratio of the centripetal acceleration of a point on the end of the rod to that of a point a distance L/2 from the end of the rod?
A) 1:1
B) 1:2
C) 2:1
D) 4:1
E) 1:4

Answers

The ratio of the centripetal acceleration of a point on the end of the rod to that of a point a distance L/2 from the end of the rod is 2:1

So, the correct answer is option C.

The ratio of the centripetal acceleration of a point on the end of the rod to that of a point a distance L/2 from the end of the rod can be found using the centripetal acceleration formula:

a = ω²r

where a is the centripetal acceleration, ω is the angular velocity, and r is the distance from the center of rotation.
For the end of the rod, the distance is L, so the centripetal acceleration is a1 = ω²L. For a point L/2 from the end, the distance is L/2, so the centripetal acceleration is a2 = ω²(L/2).

To find the ratio a1:a2, divide a₁ by a₂:
a₁/a₂ = (ω²L) / (ω²(L/2))
The ω² terms cancel out, and the expression simplifies to:

a₁/a₂ =  L / (L/2)

a₁/a₂ = 2/1

So the ratio of the centripetal acceleration is 2:1 (Option C).

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exercise 20.6 examining the properties of stars using the hertzsprung-russell (h-r) diagram part 1.a. plot the location of the sun on the h-r diagram. absolute magnitude 5 4.8 temperature > 5,800 k what spectral class is our sun?

Answers

The Sun has an absolute magnitude of 4.8 and a temperature of around 5,800 K. When you plot the Sun's location on the H-R diagram based on these values, you'll find that it falls under the spectral class G.

The Sun is specifically classified as a G2V star, where 'G' represents its temperature range and color (yellow), '2' indicates its position within the G class, and 'V' designates its luminosity class (dwarf).

So, our Sun belongs to the G spectral class on the H-R diagram. In Exercise 20.6, we are asked to plot the location of the sun on the Hertzsprung-Russell (H-R) diagram and determine its spectral class.

The H-R diagram is a plot of a star's magnitude (brightness) versus its temperature. The absolute magnitude of the sun is 5 and its temperature is greater than 5,800 K, which places it in the upper-left corner of the H-R diagram.



To determine the sun's spectral class, we can use the information from its temperature and magnitude. The sun is a G-type star, which means it has a surface temperature between 5,000-6,000 K and a yellowish color.

The spectral class of a star is determined by its spectral lines, which are produced by the absorption of light by elements in the star's atmosphere. In conclusion, the sun's location on the H-R diagram indicates its magnitude and temperature, and its spectral class is G.

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Question 83
X-rays units are generally due for reinspection
a. Every year
b. Every 2 to 3 years
c. Every 5 years
d. Every 6 years

Answers

X-ray units are generally due for reinspection every 2 to 3 years. The correct option is b.

This is because X-ray equipment is subject to wear and tear over time, and regular inspections help to ensure that it is functioning properly and producing accurate results.

During the inspection process, a qualified technician will check various components of the X-ray unit, including the X-ray tube, high-voltage generator, and collimator. They will also test the accuracy of the equipment and ensure that it is in compliance with all relevant regulations and guidelines.

By following a regular inspection schedule, healthcare facilities can help to minimize the risk of equipment failure and maintain the quality of their diagnostic services.

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A 24.0 L tank contains 4.86×10−4kg of helium at 19.0∘C. The molar mass of helium is 4.00 g/mol. How many moles of Helium are in the tank? What is the pressure in the tank, in pascals and atmospheres?

Answers

The number of moles of helium in the tank is 1.215×10^{-4} mol, the pressure in the tank is 3.03×10^{5} Pa or 2.99 atm.

What does the ideal gas law entail?

According to the ideal gas law, the relationship between pressure and volume for a given amount of gas is precisely proportional to the absolute temperature. According to the ideal gas law, all gases have an identical number of gas molecules at a given temperature, volume, and pressure.

By using the ideal gas law:

PV = nRT

P = pressure in Pa

[tex]V = volume in m^{3}[/tex]

n = number of moles

R = ideal gas constant (8.31 J/(mol*K))

T = temperature in K

We have to Convert temperature of 19.0∘C to Kelvin,

T = 19.0°C + 273.15 = 292.15 K

we have to convert volume of the tank,

[tex]V = 24.0 L = 0.0240 m^{3}[/tex]

we can calculate the number of moles of helium:

n = m/M

[tex]n = 4.86×10^{-4} kg / 4.00 g/mol[/tex]

[tex]n = 1.215×10^{-4} mol[/tex]

Now, we using ideal gas law solve for the pressure:

P = nRT/V

[tex]P = (1.215×10^{-4} mol)(8.31 J/(mol*K))(292.15 K)/(0.0240 m^{3})[/tex]

[tex]P = 3.03×10^{5} Pa[/tex]

By dividing by the usual atmospheric pressure of 101325 Pa, we may convert this pressure to atmospheres:

[tex]P = 3.03×10^{5} Pa / 101325 Pa/atm = 2.99 atm[/tex]

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two shotguns are identical in every respect (including the size of the shell fired) except that one has twice the mass of the other. which gun, if either, will tend to recoil with greater velocity when fired?

Answers

The shotgun with twice the mass will tend to recoil with less velocity when fired compared to the identical shotgun with half the mass.

This is because according to Newton's third law of motion, for every action, there is an equal and opposite reaction. When the shotgun is fired, the force of the explosion propels the shell out of the barrel and simultaneously creates a force in the opposite direction, which is the recoil. T

he greater the mass of the shotgun, the more inertia it has and the more resistance it has to the recoil force. Therefore, the shotgun with twice the mass will tend to recoil with less velocity compared to the identical shotgun with half the mass. When comparing two identical shotguns in every respect except mass, the one with twice the mass will tend to recoil with a lower velocity when fired. This is due to the conservation of momentum, where the momentum of the system (gun and shell) must remain constant before and after firing.

Since momentum equals mass multiplied by velocity (p = mv), the shotgun with greater mass will have a lower recoil velocity to maintain constant momentum.

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Why does the quantity of the water in a beaker not matter but the quantity in a polystyrene cup does?


(PLS HELP ILL MARK U BRAINLIEST)

Answers

The quantity of water in a beaker or a polystyrene cup does matter, but the reason why it matters is different for each container.

Why does the quantity of water  for each container matter?

In a beaker, the quantity of water does not affect the temperature of the water significantly because glass is a good conductor of heat, meaning that the heat from the water is evenly distributed throughout the beaker. As a result, the temperature of the water remains relatively stable regardless of the quantity of water in the beaker.

On the other hand, in a polystyrene cup, the quantity of water does matter because polystyrene is a poor conductor of heat, meaning that the heat from the water is not evenly distributed throughout the cup. If there is a small quantity of water in the cup, the heat from the water is concentrated in a small area, causing the temperature to increase rapidly.

This can cause the cup to melt or deform. If there is a large quantity of water in the cup, the heat is distributed over a larger area, reducing the temperature increase.

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the height h, in meters, of an object at time t is given by . what is the height of the object at the instant when it reaches its maximum positive velocity?

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The height h in meters of an object varies with time 't' in seconds as h = 10t - 5t2. Then the maximum (in m) height attained by the object is 5 meter. the height of the object at the instant when it reaches its maximum positive velocity is 70 meters.

The object at the instant when it reaches its maximum positive velocity, we need to first find the velocity function. We can do this by taking the derivative of the height function v t 5t^2 - 20t + 15Now, to find the maximum positive velocity, we need to find the vertex of the parabola that represents the velocity function. We can do this by finding the t-value that corresponds to the vertex t b2a  20 2 5  2So, the maximum positive velocity occurs at t = 2 seconds, and is given by v 2   5 2 2  20 2 + 15  5 m s Finally, to find the height of the object at the instant when it reaches its maximum positive velocity, we can substitute t = 2 into the height function h 2  5 2 3  10 2 2  15 2 + 10  70 meters Therefore, the height of the object at the instant when it reaches its maximum positive velocity is 70 meters.

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this experiment uses a motion sensor to measure the glider's position as a function of time. how does the motion sensor work? it uses a capacitive sensor, similar to the ones found in digital calipers, and measures the changes in the capacitance of the air track as the glider moves it emits ultrasonic pulses and measures the time it takes for the sound waves to reflect back from the glider it uses a camera to measure the changes in the apparent size of the glider as it moves on the air track it uses a laser beam and measures the time it takes for laser pulses to reflect back from the glider it uses a gps to track the position of the glider

Answers

The motion sensor in this experiment uses a capacitive sensor to measure the glider's position as a function of time. It works by measuring changes in the capacitance of the air track as the glider moves.

This is similar to the capacitive sensors found in digital calipers. The sensor emits ultrasonic pulses and measures the time it takes for the sound waves to reflect back from the glider. This allows it to accurately track the glider's position and movement. The other options listed, such as using a camera or laser beam, may be used in other types of motion sensing experiments, but are not applicable in this specific case.


In this experiment, the motion sensor works by emitting ultrasonic pulses and measuring the time it takes for the sound waves to reflect back from the glider. As the glider's position changes as a function of time, the sensor detects these changes by monitoring the variations in the time it takes for the sound waves to return, allowing for accurate measurement of the glider's motion.

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(332-10(1)) Flat cable assemblies shall be permitted only as branch circuits to supply suitable tap devices for lighting, small power, or small appliance loads.(True/False)

Answers

True. According to the National Electrical Code (NEC), flat cable assemblies are permitted as branch circuits to supply suitable tap devices for lighting, small power, or small appliance loads.

Flat cable assemblies are a type of wiring system that consists of multiple conductors arranged in parallel within a flat, flexible insulating material. They are designed to provide efficient and organized connections in electrical circuits.
These assemblies can be utilized in various applications, including lighting circuits, where they distribute power to different light fixtures, and small power circuits, which provide power for devices like computers, printers, and other office equipment. Flat cable assemblies are also used in small appliance circuits, which supply power to household appliances like refrigerators, washing machines, and air conditioners.
In summary, flat cable assemblies are allowed as branch circuits, according to the NEC, for the purpose of supplying power to suitable tap devices in lighting, small power, or small appliance loads. These assemblies offer efficient power distribution and organization within electrical circuits, making them a suitable choice for these applications.

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Question 62 Marks: 1 Many defects in x-ray units are easy to find and need no instruments.Choose one answer. a. True b. False

Answers

The given statement "Many defects in X-ray units are easy to find and need no instruments" is true because most of them can be easily identified by visual inspection or basic functional tests.

Many defects in X-ray units can be easily found and may not require the use of instruments. Some common defects that can be detected through visual inspection or basic functional tests include loose or damaged connections, malfunctioning switches, broken cables or wires, and damage to the X-ray tube.

For example, if an X-ray unit fails to produce any X-rays, it may be due to a loose or broken connection, a blown fuse, or a malfunctioning switch. Similarly, if the X-ray images are blurry or distorted, it may be due to a damaged or worn-out X-ray tube or a faulty collimator.

While some defects may require more advanced diagnostic tools, such as X-ray detectors or oscilloscopes, many can be detected and corrected through basic troubleshooting techniques.

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You are pedaling a bicycle at 9.8 m/s. The radius of the wheels of the bicycle is 51.9 I'm. The angular velocity of rotation of the wheels is?

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The angular velocity of rotation of the wheels is 18.88 rad/s if you are pedaling a bicycle at 9.8 m/s. The radius of the wheels of the bicycle is 51.9 I'm.

Angular velocityRotational motion and rectilinear motion go hand in hand. These are all derivations of Newton's rules of Motion, which are the fundamental rules of motion. The linear velocity has a value of 9.8 m/s. The equation is used to translate it into angular velocity.Where v is the linear velocity in m/s and r is the radiusThe angular velocity is expressed in rad/s, and r is the wheel's radius in meters.0.519 m is equal to 51.9 cm, where r is expressed. Given that later on we'll employ velocity in m/s, we make sure to maintain consistency in the units.9.8 m/s x 0.519 m is the formula for v=r. =18.88 rad/s

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(324-2) Type FCC cable consists of ______ conductors.

Answers

With the number of conductors varying depending on the specific application and manufacturer.

Type FCC (Flat Conductor Cable) is a type of flat, flexible cable used for connecting components in electronic and electrical devices. The cable is made up of multiple conductors, typically made of copper, that are arranged side-by-side in a flat configuration.

The number of conductors in a Type FCC cable can vary depending on the specific application and the manufacturer. However, common configurations include cables with 4, 6, 8, 10, 12, 14, 16, 20, 26, or 30 conductors.

The conductors in a Type FCC cable are typically insulated with a thin layer of plastic or other insulating material to prevent electrical contact between adjacent conductors. The insulation also helps to protect the conductors from damage due to friction or other mechanical stress.

Type FCC cables are commonly used in applications where space is limited, such as in laptops, printers, and other electronic devices. They are also used in industrial automation and control systems, where the flat design and flexibility of the cable make it easier to route and connect components in tight spaces.

In summary, Type FCC cable consists of multiple conductors arranged side-by-side in a flat configuration, with the number of conductors varying depending on the specific application and manufacturer.

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2. the fundamental frequency of an open-open pipe is 594 hz (in air). a) what is the length of the pipe?

Answers

The length of an open-open pipe with a 594 Hz fundamental frequency is roughly 0.35 metres.

The formula f = (n/2L)*v, where f is the frequency, n is the harmonic number (n=1 for the fundamental frequency), L is the length of the pipe, and v is the speed of sound in air (roughly 343 m/s at room temperature), determines the fundamental frequency of an open-open pipe (a pipe open at both ends). L = (n/2) * v/f is the result of rearrangement of the equation to solve for L. When the given values are substituted, we obtain L = (1/2) * 343/594 = 0.35 metres. The pipe is roughly 0.35 metres long as a result.

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considering these initial conditions, is it possible for the skateboarder to reach a horizontal position of 15 m? if it is not possible, what would be required for the skateboarder to reach a horizontal position of 15 m? explain.

Answers

the acceleration of the skateboarder, is the normal reaction force on both the board and skateboarder g is the acceleration due to gravity, mg is the weight of the skateboarder, and is the angle of inclination of the inclined plane. their movement and achieve the desired horizontal position.

Without knowing the specific initial conditions, it is difficult to determine whether it is possible for the skateboarder to reach a horizontal position of 15 m. However, if the initial conditions include factors such as the skateboarder's velocity, angle of inclination, and height, it may be possible to calculate whether the skateboarder can reach a horizontal position of 15 m.If it is not possible for the skateboarder to reach a horizontal position of 15 m with the given initial conditions, additional factors such as increased velocity, a steeper angle of inclination, or a higher starting height may be required to achieve this position. It is also possible that the skateboarder may need to adjust their position or technique to better optimize their movement and achieve the desired horizontal position.

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Find the period of the 100 gr weight used here if it oscillated from the same spring on an inclined plane of angle 30° with no friction

Answers

The period of oscillation for the 100 g weight on the spring in a 30° inclined plane = 0.744 seconds.

What do you understand by the term period of oscillation?

In a mass spring system, the period of oscillation refers to the time it takes for the mass to complete one full cycle of its motion (i.e., to move back and forth) and return to its original position, given a certain initial displacement and no external forces acting on the system. The period is dependent on the mass of the object and the stiffness of the spring.

The period of oscillation of a mass-spring system on an inclined plane is given by:

[tex]T = 2\pi√(m/k_eff)[/tex]

where m is the weight's mass and k eff is the spring's effective spring constant on the inclined plane, which is represented by:

k_eff = k cos²(θ)

where θ is the angle of inclination and k is the spring constant.

Given that there is no friction in this scenario and that the mass is 100 g (0.1 kg), the angle of the incline is θ = 30°, the effective spring constant is:

k_eff = k cos²(30°) = k (3/4)

Assuming that k = 10 N/m is the spring constant, the effective spring constant can be calculated as follows:

k_eff = k cos²(30°) = 10 N/m * (3/4)^2 = 6.75 N/m

Inputting these values into the period formula yields the following results:

[tex]T = 2\pi √(m/k_eff) = 2\pi √(0.1 kg / 6.75 N/m)[/tex] = [tex]0.744[/tex]

With no friction, the period of oscillation for the 100 g weight on the spring in a 30° inclined plane is therefore roughly 0.744 seconds.

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the apollo astronauts could have performed eatosthenes experiment on the moon. apollo 11 landed on 20 july 1969 in mare tranquillitatis, on the moon's equator. the last lunar mission, apollo 17 on 11 dec 1972, landed at taurus-littrow at latitude 20 due north of the apollo 11 landing site. if the apollo 17 astronauts driven their lunar buggy to the apollo 11 site they would have traveled 606 km, what is the circumference of the moon? a) 1,091 km b) 4,943 km c) 10,908 km d) 40,400 km e) 68,544 km

Answers

The need to use the formula for circumference which is C = 2πr, where C is the circumference, π is a constant approximately 3.14, and r is the radius of the moon. First, let's find the distance between the landing sites of Apollo 11 and Apollo 17. We know that they are 606 km apart and that Apollo 17 landed at a latitude of 20 degrees north.

The Using some trigonometry, we can find that the distance between the two landing sites along a line of longitude is approximately 1,165 km. Next, we need to find the radius of the moon. We know that the distance between the two landing sites is about 1/6th of the circumference of the moon since they are both on the equator, so we can set up the equation.1/6 C = 1,165 km Solving for C, we get C = 6 x 1,165 km = 6,990 km Finally, we can use the formula for circumference to find the radius C = 2πr 6,990 km = 2π  = 6,990 km / 2π r ≈ 1,109 km So the answer is a 1,091 km, which is the closest option to our calculated radius.

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a train of mass 95170 kg is traveling along a straight, level track at 26.8 m/s. suddenly the engineer sees a truck stalled on the tracks 184 m ahead. if the maximum possible braking force has magnitude 80.0 kn, how much distance will the train travel before coming to rest?

Answers

The train will travel approximately 429.2 meters before coming to rest.

Use the following terms and equations:

1. Mass (m) = 95170 kg
2. Initial velocity (v₀) = 26.8 m/s
3. Maximum braking force (F) = 80.0 kN = 80000 N
4. Distance before coming to rest (d)

First, we need to find the deceleration (a) using Newton's second law: F = ma. Rearranging the equation, we get a = F/m:

a = 80000 N / 95170 kg ≈ -0.840 m/s² (negative sign indicates deceleration)

Next, we'll use the following equation of motion to find the distance (d) traveled before coming to rest: v² = v₀² + 2ad. Since the final velocity (v) will be 0 when the train comes to rest, we can rearrange the equation to solve for d:

d = (v² - v₀²) / 2a

d = (0 - (26.8 m/s)²) / (2 * -0.840 m/s²)

d ≈ 429.2 m

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Which kind of transportation service provider provides convenient door-to-door service between two locations and is capable of carrying most any form of freight? a. Air carrierb. Pipeline carrierc. Truckload carrierd. Railroad carriere. Less-than-truckload carrier

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Transportation service provider provides convenient door-to-door service between two locations and is capable of carrying most any form of freight is (c).Truckload carried is correct option.

A truckload carrier is a kind of transport company that provides door-to-door service between two sites and has the ability to transport almost any kind of freight. These transporters frequently make use of sizable trucks that can handle full truckload (FTL) or less-than-truckload (LTL) delivery of heavy items.

They have the ability to move a variety of commodities, such as bulky items, perishable goods, and other kinds of cargo. Truckload carriers are frequently employed for long-distance transportation and are renowned for their adaptability, convenience, and capacity to move freight directly between two locations without making any stops in between or requiring transfers.

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newton’s third law color by number

Answers

When action and reaction forces are applied, the forces cancel out. [green]The action force is always greater than the reaction force. [purple]The reaction force is equal to the action force. [pink] .

What is force ?

Force is an influence that can cause an object to change its motion or make it stay still. It is described as a push or pull in a specific direction, and it is measured in Newtons. Force can be applied to objects in contact with each other, such as when two objects are pushing against each other. It can also act over a distance, such as when a magnet attracts or repels another magnet. Forces can cause an object to accelerate, decelerate, or change direction. They can also be used to do work, such as lifting an object or compressing a spring.

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an 84-kw am radio station broadcasts at 1000 khz. how many photons are emitted each second by the transmitting antenna?

Answers

1.268 x [tex]10^{32}[/tex] photons are emitted by the transmitting antenna of an 84 kW AM radio station transmitting at 1000 kHz every second.

To calculate the number of photons emitted each second by the transmitting antenna of an 84 kW AM radio station broadcasting at 1000 kHz, follow these steps:
1. Convert the broadcast frequency to Hz:
1000 kHz = 1,000,000 Hz
2. Calculate the energy of a single photon:
The energy of a photon can be found using the equation E = hf, where E is the energy, h is Planck's constant (6.626 x [tex]10^{-34}[/tex] Js), and f is the frequency.
E = (6.626 x [tex]10^{-34}[/tex] Js) x (1,000,000 Hz) = 6.626 x [tex]10^{-28}[/tex] J
3. Convert the radio station's power to energy per second:
Power = 84 kW = 84,000 W = 84,000 J/s
4. Divide the total energy per second by the energy of a single photon to find the number of photons emitted each second:
Number of photons = (84,000 J/s) / (6.626 x [tex]10^{-28}[/tex] J)
Number of photons ≈ 1.268 x [tex]10^{32}[/tex] photons/s
So, the transmitting antenna of an 84 kW AM radio station broadcasting at 1000 kHz emits approximately 1.268 x [tex]10^{32}[/tex] photons each second.

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The transmitting antennae of an 84-kW AM radio station broadcasting at 1000 kHz emit approximately 1.266 x 10^21 photons per second.

To calculate the number of photons emitted per second by the transmitting antenna of an 84-kW AM radio station broadcasting at 1000 kHz, we need to use the formula:

N = P/ (h*f)

where N is the number of photons, P is the power in watts, h is Planck's constant, and f is the frequency in Hz.

First, we need to convert the power from kilowatts to watts by multiplying 84 kW by 1000 to get 84,000 watts.

Next, we need to convert the frequency from kHz to Hz by multiplying 1000 kHz by 1000 to get 1,000,000 Hz.

Now, we can plug in the values and solve for N:

N = 84,000 / (6.626 x 10^-34 * 1,000,000)

N = 1.266 x 10^21 photons/sec

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Please answer the match the wave to the description and the top part 25 points

Answers

For waves:

Increasing amplitude increases the loudness of the sound.Decreasing amplitude decreases the loudness of the sound.Decreasing frequency decreases the pitch of the sound.Increasing frequency increases the pitch of the sound.

What are the products of waves?

Match the wave to the description:

The wave with the smallest amplitude would produce the softest sound, B.

The wave with the largest amplitude would produce the loudest sound, D.

The wave with the highest frequency would produce the sound with the highest pitch, A.

The wave with the lowest frequency would produce the sound with the lowest pitch, C.

Waves only transfer energy.

The electromagnetic spectrum is made of: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

An acronym to help me remember this from longest to shortest wavelength: ROYGBIV (stands for red, orange, yellow, green, blue, indigo, violet - the colors of the visible light spectrum).

Uses for electromagnetic waves: radio and TV broadcasting, communication via mobile phones, heating food in a microwave oven, infrared cameras for night vision, medical imaging using X-rays, and cancer treatment using gamma rays.

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The height to which water will rise in wells located in an artesian aquifer is called the?
a. Pumping water level
b. Piezometric surface
c. Drawdown
d. Radius of influence

Answers

The piezometric surface is the height to which water in wells situated in an artesian aquifer will rise. Therefore, option B is right.

The imagined surface to which water in a constrained aquifer would rise if the aquifer were penetrated by a well is called the piezometric surface, also known as the potentiometric surface.

When a well is bored into an artesian aquifer, water will flow upward since the piezometric surface is above the aquifer's top. The elevation of the piezometric surface and the pressure of the water in the aquifer together define the height to which water will rise in a well.

A confined aquifer's shape and size can be mapped using a piezometric surface.

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two notes are sounding, one of which is 440 hz. if a beat frequency of 5 hz is heard, what is the other notes frequency?

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Two notes are sounding, one of which is 440 Hz. If a beat frequency of 5 Hz is heard, the other notes frequency is 435 Hz and 445 Hz.

What is beat frequency?

The difference in frequency between the two original waves is referred to as the beat frequency. Accordingly, the smaller the beat frequency (i.e., fewer beats per second) is, the easier it is for the human ear to discern between the two frequencies. Contrarily, the faster the beat frequency and the more difficult it is to discern, the farther apart the two sine waves are in frequency, to the point where the amplitude modulation brought on by very fast beat frequencies can't truly be distinguished by the human ear. Beat frequencies that result in subjective tones and the effects they can have on the listener include multiphonics and the missing fundamental effect.

The other notes frequency is 435 Hz and 445 Hz.

This can be calculated by subtracting 5 Hz from 440 Hz. 440 Hz - 5 Hz = 435 Hz and by adding 5 Hz to 440 Hz.

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