a student is asked to determine the mass of jupiter. knowing which of the following about jupiter and one of its moons will allow the determination to be made? i. the time it takes for jupiter to orbit the sun ii. the time it takes for the moon to orbit jupiter iii. the average distance between the moon and jupiter

Answers

Answer 1

By knowing i. the time it takes for Jupiter to orbit the sun and ii. the time it takes for the moon to orbit Jupiter's mass of Jupiter can be determined. Therefore options I and II are correct.

To determine the mass of Jupiter, the student needs information about both Jupiter's orbit around the Sun (I) and the moon's orbit around Jupiter (II).

By knowing the time it takes Jupiter to orbit the Sun (I) and the time it takes for the moon to orbit Jupiter (II), the student can use Kepler's Third Law of Planetary Motion.

This law relates the orbital period and the average distance of a moon from its planet to the mass of the planet.

By knowing both the orbital periods of Jupiter and its moon (I and II) and the average distance between the moon and Jupiter (III is not required), the student can calculate the mass of Jupiter using Kepler's Third Law.

Therefore options I and II are correct.

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Related Questions

1. which of the following is the speed of light? 300,000 km/sec 186,283 kilometers per second 186,283 meters per second 186,283 meters per hour 300,000 km/hr

Answers

Speed of light, is generally 299,792,458 m/s. The appropriate choice is "186,283 kilometers per second.

The speed of light is approx. 299,792,458 m/s. This is equal to approximately 186,282.397 miles per second or approximately 300,000 kilometers per second.

Therefore, the correct answer is "186,283 kilometers per second" or "300,000 km/sec". The other choices are incorrect because they are not the correct units for the speed of light. Visible light is an example of electromagnetic radiation that moves at the speed of light. Light and other electromagnetic waves appear to move instantly for many practical uses, but their finite speed has dramatic implications for vast distances and particularly sensitive measurements. The starlight that can be seen from Earth has been out there for a very long time, allowing people to view far-off objects and learn about the evolution of the universe. It can take minutes to hours for signals to reach from Earth to a spacecraft when corresponding with far-off space missions. The absolute shortest communication delay between computers, to computer memory, and within a CPU is fixed in computing at the speed of light.

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two forces, f1 and f2, act on a particle. as a result the speed of the particle increases. which one of the following is not possible?two forces, f1 and f2, act on a particle. as a result the speed of the particle increases. a. The work done by F1 is positive, and the work done by F2 is zero b. The work done by each force is positive. c. The work done by F1 is positive, and the work done by F2 is negative. d. The work done by each force is negative. e. The work done by F1 is zero, and the work done by F2 is positive.

Answers

Each force produces a negative amount of effort (option d). Whenever there are two opposing forces, the net force will always be negative, no matter how strong one force is compared to the other. Reduced kinetic energy of the particle is indicated by a negative force.

How do forces work?

When an object interacts with another object, it experiences a push or pull that is known as a force. Any instant two things connect, a force is transmitted to each one of them.

Force and example are defined.

In daily life, forces can take many different forms. a bat's force on the ball is equal to its weight. the amount of pressure used by the hair brush to brush hair.

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A 0.45 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by
x = (12 cm)cos[(17 rad/s)t + p/2 rad]
(a) What is the oscillation frequency (in Hz)? (b) What is the maximum speed acquired by the block? (c) At what value of x does this occur? (d) What is the magnitude of the maximum acceleration of the block? (e) At what positive value of x does this occur? (f) What force, applied to the block by the spring, results in the given oscillation?
Give your answers in centimeter-based units, where applicable.

Answers

(a) The angular frequency is  2.7 Hz

(b) The maximum speed is  2.04 m/s

(c) The maximum value is occur at mean position

 so the dispalcement is zero

(d) The maximum acceleration is 34.68 m/s^2.

(e) The acceleartion should be maximum at extrem positions

  so the position  x = A = 12 cm

( f )  The force on the block  15.6 N

Calculation :

The mass of the block m = 0.45 kg

The dispalcement of the block

 x = 12cm cos [(17 rad/s) t + (π/2 rad)]

 (a) The angular frequency

                 ω = 17 rad/s

                  2πf = 17 rad/s

then the frequency

               f = 17 / 2π = 2.7 Hz

(b) The maximum speed

           

              v max = Aω  = (12 cm) (17 rad/s)

                                 = 2.04 m/s

(c) The maximum value is occur at mean position

 so the dispalcement is zero

(d) The maximum acceleration

     a max  = Aω^2

                = (0.12 m) (17)^2 = 34.68 m/s^2

(e) The acceleartion should be maximum at extrem positions

  so the position  x = A = 12 cm

(f)  The force on the block

           F = ma = (0.45 kg) (34.68 )

                        = 15.6 N

Force or Energy Exercised or Applied: Cause of Movement or Change: Active Force. force of nature

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Show schematically and discuss how several semiconductor materials might be used together to obtain a more efficient solar cell.

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A semiconductor material is a kind of electronic material they have semiconductor properties and can be used to make a different type of semiconductor devices and integrated circuits.

Other external factors such as light, heat, magnetism, and electricity will act on semiconductors and raise some physical effects and phenomena, which can be referred to as the semiconductor properties. Most of the base materials constituting solid-state electronic devices are semiconductors.

Different types of semiconductor devices have different types of functions and characteristics because of the various semiconductor properties.

Silicon is, by far, the most commonly used semiconductor material used in solar cells, representing approximately 95% of the modules sold today. It is also the second most abundant material on Earth (after oxygen) and the most common semiconductor used in computer and mobile chips.

Working of solar When light shines on a photovoltaic (PV) cell also called a solar cell that light may be reflected, absorbed, or pass right through the cell.

The photovoltaic cell is composed of semiconductor material; the “semi” means that it can conduct electricity better than an insulator but not as well as a good conductor like a metal. There are several different semiconductor materials used in PV cells.

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an ellipse is the locus of points in a plane such that the sum of the distances from any point in the locus to two points, called the foci, is a .

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An ellipse is the location of all the points in a plane whose distances from two fixed points in the plane add up to a constant value. The foci, or singular focus, are the fixed points that are encircled by the curve.

what is an ellipse?

In mathematics, an ellipse is the location of points in a plane so that their separation from a fixed point has a fixed ratio of "e" to their separation from a fixed line (less than 1). The conic section, which is the intersection of a cone with a plane that does not intersect the base of the cone, includes the ellipse. The fixed point is called the focus and is denoted by S, the constant ratio 'e' as the eccentricity, and the fixed line is called as directrix (d) of the ellipse.

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you are designing an elevator for a hospital. the force exerted on a passenger by the floor of the elevator is not to exceed 1.50 times the passenger's weight. the elevator accelerates upward with constant acceleration for a distance of 2.8 m and then starts to slow down. What is the maximum speed of the elevator?

Answers

The maximum speed of the elevator, the force exerted on a passenger by the floor of the elevator is not to exceed 1.50 times is 6m/s

ΣFy=may

n−mg=ma

n=1.5mg

a=0.60g=6ms^−2

v2=u2+2as=02+2×6×3

v=6m/s

The rate at which an object's distance traveled changes is measured by its speed. In terms of measurement, speed is a scalar, meaning it has magnitude but no direction. Speed is the rate at which an object moves over a given distance. a thing that travels at a high rate of speed and covers a lot of distance quickly. A slow-moving object, on the other hand, travels a comparatively short distance in the same amount of time when moving at a low speed. An object with zero speed is completely immobile.

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which of the following statements is correct about mohr's circle. select all correct ones. group of answer choices mohr's circl is a graphical solution to state of stress that allows the evaluateof normal and shear stresses on an inclined plane (at an angle

Answers

Mohr's circle can be used to calculate the stresses on an oblique section if the stress condition on two planes and the angle between those planes are known. The correct option to this question is C.

An illustration of the transformation equations for plane stress problems is Mohr's circle. The relationships between the normal and shear loads operating on a stress element at any desired orientation can be visualized using this technique.

A Mohr's circle must have a diameter, and in order to draw the diameter, two straight line endpoints' coordinates are needed. Apply the principles on Planes A1 and B1 to obtain the stress locations for Mohr's circle diameter if the shear axis is positive upwards.

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Complete question: Consider the following statements:

Mohr's Circle is used to determine the stress on an oblique section of a body subjected to

1. direct tensile stress on one plane accompanied by a shear stress.

2. direct tensile stresses in two mutually perpendicular directions accompanied by a simple shear stress.

3. direct tensile stress in two mutually perpendicular directions.

4. A simple shear stress

Select the correct answe using the codes given below:

A 1 and 4

B 2 and 3

C 1, 2, 3 and 4

D 1, 2 and 3



Yvette does not understand why her plant is not growing. Through observation of the care she gave it, she decided, if I increase the water from 1 cup a week to 2 cups a week, then it will grow. What has she just proposed?

Answers

Answer:

Yvette has just proposed a hypothesis. A hypothesis is a proposed explanation for a phenomenon or observation. In this case, Yvette has observed that her plant is not growing and has proposed that increasing the amount of water it receives will cause it to grow. To test this hypothesis, Yvette could try increasing the amount of water the plant receives and observe whether it starts to grow. If the plant does start to grow, this would provide support for Yvette's hypothesis. However, if the plant does not start to grow, this would suggest that the hypothesis is incorrect and Yvette would need to come up with a new explanation for why the plant is not growing.

which of the following statements is correct about mohr's circle. select all correct ones. group of answer choices mohr's circl is a graphical solution to state of stress that allows the evaluateof normal and shear stresses on an inclined plane (at an angle

Answers

An angle '[tex]\Theta[/tex]' on the circle Corresponds to an angle 2[tex]\Theta[/tex] on the part.

On the Mohr, the circle has a positive counterclockwise rotation, similar to the physical space convention for shear stress. is the clockwise shear stress and both are plotted. Mohr's circle is a graphical representation of the general state of stress at a point.

This is a graphical method for evaluating principal and maximum shear stresses. Normal and tangential stress in any plane. Soil mechanics use Mohr's circles to visualize the relationship between normal and shear stresses, and to estimate the maximum stress based on three or more soil samples taken from a site.

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At the time of its discovery, 3C 273 was the most ____________________ object in the universe.

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3C 273 was the most luminous object in the universe at the discovery time.

What are stars?

An illuminated sphere of plasma that is held together by its gravity is a star.

The Sun is the star that is closest to Earth. Due to their enormous distance from Earth, many more stars are also visible at night to the unaided eye from Earth, appearing as a multiplicity of stationary light dots in the sky.

In the past, the brightest stars were assigned names and grouped into constellations and asterisms.

Star catalogs have been put out by astronomers that list the known stars and offer standardized stellar labels.

All stars outside of our galaxy, the Milky Way, and the majority of other stars in the universe are, nevertheless, invisible to the human eye from Earth.

Even the most powerful telescopes cannot see the majority of them from Earth.

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Electromagnetic radiation is moving to the right, and at this time and place the electric field is horizontal and points out of the page (see the figure). The magnitude of the electric field is E = 2600 N/C.
t is the magnitude of the associated magnetic field at this time and place?
B = __________T

Answers

The magnetic field at this time and place is 8.667 µT

Electromagnetic radiation consists of space-propagating electromagnetic field waves that carry momentum and electromagnetic radiation energy. These include radio waves, microwaves, infrared rays, light, ultraviolet rays, X-rays, and gamma rays.

Microwave is a form of electromagnetic radiation with wavelengths starting from approximately one meter to one millimeter corresponding to frequencies among 300 MHz and 300 GHz respectively. different assets define extraordinary frequency stages as microwaves.

Calculation:

Electric field E = 2600 N / C

Required magnetic field B = E / c

Where c = speed of EM radiation = 3 * 10 ^ 8 m / s

Plug the values weget B = 8.667* 10 ^ -6 T

= 8.667 µT

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what must the emf e of the battery be in order for a current of 2.00 a to flow through the 5.00 v battery, as shown?

Answers

The battery's emf has to be -108.75 volts for a 2a current to pass through a 5.00 v battery.

Kirchhoff's Voltage Law states that for any closed network, the voltage around a loop is equal to the total of all voltage drops in that loop and is equal to zero. The conservation of energy, or to put it another way, is the characteristic of Kirchhoff's law which states that the algebraic sum of each voltage in the loop must equal zero.

Do a series/parallel reduction first. Apply Kirchhoff's laws now to get the answer.

ΔV adefa ​ =0 or − (20Ω) × (2A) × 5V − (20Ω) × I2 ​

= 0 or I2 ​

= −2.25A

I1 ​+ I2 ​= 2A or I1 ​= 2A − ( −2.25A ) = 4.25A

ΔV adefa ​= 0 or (15Ω) × (4.25A) + ϵ − (20Ω) (−2.25A) = 0

ϵ = −108.75V; Reversing polarity is necessary.

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A group of scientists discover a new, rare isotope and are able to store a small amount of it. They determine that the isotope is unstable and half of their sample will decay in 17.0 months. The scientists need a new laboratory to properly conduct measurements on the isotope. If a laboratory is built before half the sample decays there will still be enough of the isotope available for experiments. However, it will take 29.0 months to build the new lab. Fortunately, the scientists can quickly start construction and they have access to a spaceship that can travel at speeds approaching the speed of light c = 3.00×108 m/s. If they place their sample of the isotope on the spaceship, at what speed u must it travel in order for the new laboratory to be completed on Earth by the time half of the isotope on the spaceship decays? Assume that it took one month for the scientists to actually start construction and launch the spaceship so half the sample will remain in 16.0 months but it will still take 29.0 months to build the new lab.A) At what speed u must the spaceship travel for the scientists to have enough time to complete their laboratory by the time half of the isotope has decayed?

Answers

'u' must the spaceship travel for the scientists to have enough time to complete their laboratory by the time half of the isotope has decayed at speed of  2.416*10⁸ m/s .

Calculation :

[tex]29 = \frac{16}{1-\frac{c}{v} ^{2} }[/tex]

v = 0.805 * C

V = 0.805 * 3*10*⁸

   = 2.146*10⁸ m/s

Isotopes are two or more types of atoms that have the same atomic number (number of protons in the nucleus) and position in the periodic table (and thus belong to the same chemical element), but that differ because of their nucleon number (mass number). The number of neutrons in the core is different. All isotopes of a particular element have approximately the same chemical properties, but they have different atomic masses and physical properties

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A 64 kg box is pushed at a constant speed up a frictionless plane for a distance of 18 m by a force parallel to the plane. If the plane makes an angle of 24 degrees above the horizontal, how much work was done?
1500 j,1200j,4600j,2900j,8800j

Answers

4600 j work is done.

To find the amount of work done, the equation for work must be used. This equation is Work = Force x Distance. Force is equal to the mass of the box multiplied by the acceleration due to gravity, and the distance is 18 meters. The angle of 24 degrees above the horizontal must also be taken into account, therefore the cosine of 24 degrees must be used. The mass of the box is 64 kg and the acceleration due to gravity is 9.8 m/s2. After plugging in all the values, the work done is 4600 J.

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Which statement is a correct definition of a material’s strength?

A.
the ability to deflect sound
B.
the ability to resist radiation
C.
the ability to withstand stress
D.
the ability to resist magnetism
E.
the ability to expand with heat

Answers

Answer:

i think its stress (c) hope this helpa

Answer:

C. the ability to withstand stress

Explanation:

The strength of a material refers to its ability to withstand stress. Stress is a measure of the force applied to a material, and it can be either tensile (stretching) or compressive (squeezing). A material's strength is typically measured by its ability to resist deformation or failure under a given amount of stress.

A boy swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 0.735 m long and the ball
makes 159 complete turns each minute. What is the ball's centripetal acceleration?

Answers

Answer:

approximately 1.007 * 10^8 m/s^2

Explanation:

To find the ball's centripetal acceleration, we can use the formula a = v^2 / r, where a is the centripetal acceleration, v is the tangential velocity of the ball (the speed at which it moves around the circle), and r is the radius of the circle (the length of the piece of string).

First, we need to find the tangential velocity of the ball. The ball makes 159 complete turns each minute, which means it makes 159 * 2 * pi = 998.46 radians per minute. Since the ball is moving at a constant speed, the tangential velocity is equal to the angle it travels in radians per unit of time, so the tangential velocity of the ball is 998.46 radians per minute.

Next, we need to find the radius of the circle. The length of the piece of string is 0.735 m, and since the ball is swinging in a horizontal circle, the radius of the circle is equal to the length of the piece of string. Therefore, the radius of the circle is 0.735 m.

Now that we have the tangential velocity and the radius of the circle, we can plug these values into the formula to find the centripetal acceleration:

a = v^2 / r

= 998.46^2 / 0.735

= 1.007 * 10^8 m/s^2

Therefore, the ball's centripetal acceleration is approximately 1.007 * 10^8 m/s^2.

through a refinery, fuel ethanol is flowing in a pipe at a velocity of 1 m/s and a pressure of 101300 pa. the refinery needs the ethanol to be at a pressure of 2 atm (202600 pa) on a lower level. how far must the pipe drop in height in order to achieve this pressure? assume the velocity does not change. (hint: use the bernoulli equation. the density of ethanol is 789 kg/m3 and gravity g is 9.8 m/s2. pay attention to units!)

Answers

The pipe must drop in height by 13.101 m in order to achieve this pressure.

Bernoulli stated that at whatever point along the fluid flow, the total amount of pressure, kinetic energy and potential energy per unit volume is the same.

P + 1/2 ρv² + ρ* g* h = constant

Given that, v = 1 m/s

P₁ = 101300 Pa

P₂ = 202600 Pa

ρ ethanol = 789 kg/m³

g = 9.8 m/s²

Now, let us write the bernoulli equation,

ρ*g*h₁ + P₁ = ρ*g*h₂ + P₂

P₁ - P₂ =  ρ*g*h₂ - ρ*g*h₁

( h₂ - h₁) = (P₁ - P₂)/ρ*g

Δh = (P₁ - P₂)/ρ*g

Δh = -101300 / ( 789 * 9.8) = -13.101 m

Minus sign indicates that height must be reduced.

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the figure shows the net force exerted on the satellite by the moon and the direction of the tangential velocity of the satellite at time t0. which of the following statements is true regarding the motion of the satellite?

Answers

The statement which is true regarding the motion of the satellite is D) The tangential velocity of the satellite does not remain constant.

Any object in orbit around the earth, the sun, or another large body is considered a satellite.

The satellite is able to maintain orbital motion even as gravity pulls it inward thanks to its tangential velocity. The necessary centripetal force is provided by gravitational attraction.

Newton was the first to say that a projectile launched with sufficient speed would actually orbit the earth.

The satellite moves faster when it is close to the earth and slows down while moving away to the top of the ellipse.

The question is incomplete. The complete question is ' A) The gravitational force exerted on the satellite by the moon will increase after time t0.

B) The satellite accelerates in a direction that is parallel to the direction of the tangential velocity.

C) The satellite will move toward the moon after time t0.

D) The tangential velocity of the satellite does not remain constant.'

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What is the wave phenomena that occurs whey a wave passes you and the pitch seems to change?

Answers

Answer:

The wave phenomenon that you are describing is known as the Doppler effect. The Doppler effect occurs when a wave, such as a sound wave, passes by an observer and the pitch of the wave seems to change. This is because the frequency of the wave changes as it moves closer to or farther away from the observer. The pitch of a sound wave is directly related to its frequency, so when the frequency of the wave changes, the pitch will also change. This effect is commonly observed with sound waves, but it can also occur with other types of waves, such as light waves.

which of the following situations is an example of a negative feedback loop? group of answer choices a thermostat regulating the temperature of your home rolling a ball of snow down a hill the greenhouse effect a viral video on the internet

Answers

The greenhouse effect is one instance of a negative feedback loop among the examples presented. There are several instances of positive feedback loops.

Positive feedback loop: what is it?

Positive feedback, also known as aggravating feedback or self-reinforcing feedback, is a phenomenon that takes place in a feedback loop that amplifies the impact of a little disruption. In other words, a perturbation's impacts on a system include an increase in the perturbation's size.

A negative feedback loop is what?

When a system, process, or mechanism's output is fed back in a way that seeks to lessen oscillations in the output, whether brought on by changes in the input or other disturbances, this is known as negative feedback (or balancing feedback).

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on integrated circuits the dc biasing of bjts is usually done using resistors and capacitors, since transistor current sources are too expensive. true or false

Answers

Due to the high cost of transistor ecurrent sourcs, resistors and capacitors are typically used to bias bjts in integrated circuits.

A semiconductor wafer on which hundreds or millions of small resistors, capacitors, diodes, and transistors are manufactured is known as an integrated circuit (IC), also known as a chip, microchip, or microelectronic circuit. Integrated circuits, which can be classified as analogue, digital, or a hybrid of the two, are extensively utilised in electronics design today. Amplifiers, video processors, computer memory, switches, and microprocessors are just a few applications for ICs.

On a silicon wafer, integrated circuits are made up of reduced versions of transistors, microprocessors, and diodes.

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quasars may result from the very energetic merging of in condensing galaxies. quasars may result from the very energetic merging of in condensing galaxies. black holes suns stars dark matter

Answers

Quasars may result from the very energetic merging of dark matter in condensing galaxies.

Quasars may result from the very energetic merging of gas spiraling at high velocity in condensing galaxies.

What is  a quasar?

A quasar forms can be regarded as one that the material that falls into the accretion disc  which is seen in  supermassive black hole at the center of a galaxy.

A massive object, like a galaxy cluster, is able to deform the space-time shape as a consequence of its own gravity, so the light that it is coming from a source that is behind it in the line of sight will be bend or distorts in a way that will be magnified, making small arcs around the cluster with the image of the background object.

Not only does the central engine of active galaxies and quasars require a black hole, Accretion disk of matter is also needed to provide the energy radiated. Dust, other stellar debris, and gas that has come near to a black hole but fallen into it yet forms a flattened band of spinning matter around the event horizon called the accretion disk (or disc).

Therefore, quasars may result from the very energetic merging of dark matter in condensing galaxies.

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Quasars may result from the very energetic merging of dark matter in condensing galaxies.

Quasars may result from the very energetic merging of gas spiraling at high velocity in condensing galaxies.

What is  a Quasar?

A quasar forms can be regarded as one that the material that falls into the accretion disc  which is seen in  supermassive black hole at the center of a galaxy.

A massive object, like a galaxy cluster, is able to deform the space-time shape as a consequence of its own gravity, so the light that it is coming from a source that is behind it in the line of sight will be bend or distorts in a way that will be magnified, making small arcs around the cluster with the image of the background object.

Not only does the central engine of active galaxies and quasars require a black hole, Accretion disk of matter is also needed to provide the energy radiated. Dust, other stellar debris, and gas that has come near to a black hole but fallen into it yet forms a flattened band of spinning matter around the event horizon called the accretion disk (or disc).

Therefore, quasars may result from the very energetic merging of dark matter in condensing galaxies.

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A ball rolls down a curved ramp as shown in the diagram below. Which dotted line best represents the path of the ball after leaving the ramp? A) A B) B C) C D) D

Answers

The movement of the ball down the ramp can be shown by option B.

What is the path of the ball?

We know that the question has clearly said that the ramp was curved and this is going to help in shaping our discussion. In this case, it is clear that the the ball  rolls down a curved ramp as shown. The movement of the ball can be typified by the use of dotted lines.

In this case, we can see that the ball is going to continue to move in a curved path as the ball is moving down the ramp as has been shown in the image.

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The rate per hundredweight is usually based on the shipment origin and destination, although the actual price charged for a particular shipment is normally subject to a minimum charge and may also be given a(n) ____
surcharge

Answers

The rate per hundredweight is usually based on the shipment origin and destination, although the actual price charged for a particular shipment is normally subject to a minimum charge and may also be given a(n) surcharge.

A surcharge is any additional fee, tax, or charge that is tacked onto the cost of a good or service above and above the initial price that was provided. The advertised price of the commodity or service does not include a surcharge, which is frequently added to an already-applied tax. The cost of a surcharge can range and be either a set sum or a percentage of A governing body may apply this fee in order to raise additional funds or cover the expense of rising commodity prices. Consumers who purchase specific goods and services may be subject to surcharges, which are additional fees and/or taxes. At the moment of sale, they are included in the cost of the purchase. Thus, whenever you buy something,

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A 10.0-kg microwave oven is pushed 8.00 m up the sloping surface of a loading ramp inclined at an angle of above the horizontal, by a constant force \vec{F} F with a magnitude 110 N and acting parallel to the ramp. The coefficient of kinetic friction between the oven and the ramp is 0.250. (a) What is the work done on the oven by the force ? (b) What is the work done on the oven by the friction force? (c) Compute the increase in potential energy for the oven. (d) Use your answers to parts (a), (b), and (c) to calculate the increase in the oven’s kinetic energy. (e) Use \Sigma \vec{\boldsymbol{F}}=m \vec{\boldsymbol{a}}Σ F =m a to calculate the acceleration of the oven. Assuming that the oven is initially at rest, use the acceleration to calculate the oven’s speed after traveling 8.00 m. From this, compute the increase in the oven’s kinetic energy, and compare it to the answer you got in part (d)

Answers

(a) Work done on the oven = 110J

(b) Work done by the friction force =250J

(c) Increase in PE =1000J

(d) Increase in KE = 640J

(e) Acceleration of the oven =14.9 m/s² And KE =74.5J

Given

g = 10

mass = 10kg

distance = 8 m

Magnitude of force = 110 N

Kinetic friction = 0.250 N

A

The work done on the oven by the force is given by

W = F.d

W = 110*14cos(0)

It is a Horizontal component

W = 110 J

B

Now to calculate the work done by the friction force

Frictional force = μ * N

Frictional force = 0.25*10*10

Frictional force = 25 N

Frictional work = frictional force . d

work(f) = 25 * 10cos(0)

Work(f) = 250 J

C

Increase in the Potential  energy

PE = mgh

PE = 10*10*10cos(0)

PE = 1000 J

D

The increase in the oven's kinetic energy

PE₁ = KE₁ + W = PE₂ + KE₂

110 - 260 - 1000 = KE₂

KE₂ = 640J

E

The acceleration of the oven

Force - frictional force = ma

a = 110 -250/10 = 14 m/s²

Now to calculate KE we should know the velocity

V(f)² = v(i)² + 2ad

v(f)² = 2(14)(8) = 224

v(f) = 14.9 m/s

Now KE will be given as

(1/2)mv²

KE = (1/2)(10)(14.9)

KE  = 74.5 J

Therefore, we got to know the work done, PE and KE just by the force applied.

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the electromagnetic spectrum displays electromagnetic waves in order of their wavelengths and frequencies. according to this diagram, what approximate range of wavelengths are visible to the human eye?

Answers

Gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves are the components of the electromagnetic spectrum, listed in order of decreasing energy.

What are the 7 different wavelength types?

The parts of the electromagnetic spectrum are designated as follows, from highest to lowest energy: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, & radio waves. The radio wave region of the electromagnetic spectrum includes microwaves.

What is the name of wavelength 1?

When wavelength is expressed in metres, 1/ stands for the number of waves that can be found in a wave train that is one metre long, or for the number of waves that can be found in a wave train that is one centimeter long. The wavenumber of the spectrum line is this number.

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Select the higher harmonics of a string fixed at both ends that has a fundamental frequency of 80 Hz 280 Hz b. 400 Hz 160 Hz 200 Hz e.180 Hz

Answers

160 Hz is the higher harmonics of a string fixed at both ends that has a fundamental frequency of 80 Hz.

According to this option c) is correct answer.

A string's fundamental frequency, succeeding frequencies, and two ends are defined as the sum of the entire depending on the number of harmonics. In other words, higher harmonics specify the frequencies that follow under the functions 2f, 3f, 4f, 5f, etc.

As a result, the higher harmonics would be:

1 x 80 Hz Equals 80 Hz (1st harmonic and Fundamental Frequency)

2 × 80Hz Equals 160Hz (2nd harmonic) (2nd harmonic)

3 x 80Hz Equals 240Hz (3rd harmonic)

4 × 80Hz = 320Hz (4th harmonic)

5 x 80Hz Equals 400Hz (5th harmonic)

As a result, the two higher harmonics of a string with an 80Hz fundamental frequency are 160Hz and 240Hz.

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I understand that the question you are looking for is:

Select the higher harmonics of a string fixed at both ends that has a fundamental frequency of 80 Hz.

a)280 Hz

b) 400 Hz

c) 160 Hz

d) 200 Hz

e) 180 Hz

a satellite of mass m is in an elliptical orbit around the earth, which has mass me and radius re. the orbit varies from a closest approach of distance a at point a to maximum distance of b from the center of the earth at point b. at point a, the speed of the satellite is vo. assume that the gravitational potential energy ug = 0 when masses are an infinite distance apart. Express your answers in terms of a, b, m, Me, Re, vo, and G.
a. Determine the total energy of the satellite when it is at A. b. What is the magnitude of the angular momentum of the satellite about the center of the Earth when it is at A? c. Determine the velocity of the satellite as it passes point B in its orbit.

Answers

The velocity of the satellite as it passes point B in its orbit is vᵇ = v₀a/b

The angular momentum of a inflexible item is described as the made of the moment of inertia and the angular velocity. it's miles analogous to linear momentum and is challenge to the essential constraints of the conservation of angular momentum principle if there's no outside torque at the item.

The belongings of any rotating object given by using moment of inertia times angular velocity. it's miles the assets of a rotating frame given by way of the fabricated from the instant of inertia and the angular speed of the rotating object.

(a)  the total energy of the satellite when it is at A:-

     E = PE + KE = - G*Me*M/a + 1/2mv₀²

(b) the magnitude of the angular momentum of the satellite about the center of the Earth when it is at A:-

    L = mvr = mv₀a

(c) Conservation of angular momentum gives,  

    mv₀a =  mvᵇb, or vᵇ = v₀a/b

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if the ball is released from rest at a height of 0.91 m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? assume the ball is a solid sphere of radius 2.1 cm and mass 0.14 kg .(figure 1)How high does the ball rise on the frictionless side?

Answers

Angular speed when it is on the frictionless side of the track is 89.7 rad/s

Given that, mass, m=0.14 kg

Ball is released. from rest. at a height. of,  h= 0.83 m

Solid sphere of radius, R = 3.8 cm

                                       =0.038 m  

From the conservation of  energy

                          ΔK  = ΔU  

1/2 mv2 +   1/2 Iω2   = mgh

Here,  I=2/5MR2  ,  v=Rω

1/2 mv2 + 1/2 (2/5mR2)(v/R)2  =mgh

                          1/2 [v2 +2/5 v2] =gh

                           7/10 v2 = gh

                            0.7v2 = gh

                                  v =√ [gh / (0.7) ]

                                     =√ [(9.8 m/s2)(0.83 m) / (0.7) ]  

                                     = 3.408 m/s

Consequently, angular speed on the frictionless side of the rail,

                                  ω = v/R

                                     = (3.408 m/s)/(0.038 m)

                                     = 89.7 rad/s

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Platinum is FCC and has a lattice constant of 0.39239 nm

Answers

Yes, that's correct. The FCC (face-centered cubic) crystal structure is a common structure for many metals, including platinum. The lattice constant is a measure of the distance between the atomic planes in a crystal structure. It is equal to the distance between two adjacent atoms in the lattice and is typically measured in nanometers (nm). The lattice constant for platinum is approximately 0.39239 nm.

Platinum is a dense, ductile, and malleable metal with a high melting point and good electrical and thermal conductivity. It is resistant to corrosion and is often used in catalytic converters, jewelry, and electronic components. It is also used in the production of chemicals, pharmaceuticals, and other industrial applications.

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