The mass of CAO required each year to sequester the CO2 produced by the coal-fired generating station is 1232 kg.
To determine the mass of CAO required each year to sequester the CO2 produced by a coal-fired generating station, we need to know the amount of CO2 produced by the station and the mass of CAO needed to sequester a given amount of CO2.
The amount of CO2 produced by the station can be calculated using the equation:
CO2_produced = (1 / efficiency) × energy_output
where CO2_produced is the amount of CO2 produced, efficiency is the thermodynamic efficiency of the generating station (35% in this case), and energy_output is the average output of the station (600 MWe in this case).
Plugging these values into the equation gives us:
CO2_produced = (1 / 0.35) × 600 MWe = 1714 MWe
To convert the energy output from megawatt-hours (MWh) to kilograms of CO2, we can use the conversion factor of 0.00053 kg CO2/MWh:
CO2_produced = 1714 MWe × 0.00053 kg CO2/MWh = 916 kg CO2
To determine the mass of CAO required to sequester this amount of CO2, we need to know the mass of CAO needed to sequester a given amount of CO2. The mass of CAO needed to sequester a given amount of CO2 can be calculated using the equation:
CAO_mass = CO2_mass / (CAO_molecular_weight / CO2_molecular_weight)
where CAO_mass is the mass of CAO needed to sequester the CO2, CO2_mass is the mass of CO2 to be sequestered, CAO_molecular_weight is the molecular weight of CAO, and CO2_molecular_weight is the molecular weight of CO2.
The molecular weights of CAO and CO2 are 56 g/mol and 44 g/mol, respectively. Plugging these values into the equation gives us:
CAO_mass = CO2_mass / (CAO_molecular_weight / CO2_molecular_weight) = 916 kg CO2 / (56 g/mol / 44 g/mol) = 1232 kg CAO
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In the figure below the left-hand cable has a
tension T1 and makes an angle of 55 ◦ with
the horizontal. The right-hand cable has a
tension T3 and makes an angle of 44 ◦ with
the horizontal. A W1 weight is on the left
and a W2 weight is on the right. The cable
connecting the two weights has a tension 39 N
and is horizontal.
The acceleration of gravity is 9.8 m/s^2
Determine the mass M2 in units of Kg
Answer:
18.5 kg
Explanation:
The mass M2 is approximately 18.5 kg.
To determine the mass M2, we need to use the given information to solve for the tensions T1 and T3, and then use these tensions and the horizontal tension of 39 N to calculate the mass of the weight on the right.
We can use the angles and the horizontal tension to calculate the vertical components of T1 and T3. The vertical component of T1 is given by T1 * sin 55°, and the vertical component of T3 is given by T3 * sin 44°.
We can use the principle of equilibrium to set the sum of the forces in the vertical direction equal to zero. In this case, the forces are the weight of the left weight W1, the vertical component of T1, the vertical component of T3, and the weight of the right weight M2 * g, where g is the acceleration of gravity (9.8 m/s^2).
We can write this as an equation: W1 + T1 * sin 55° + T3 * sin 44° - M2 * g = 0.
We know that the weight of the left weight is W1 = M1 * g, where M1 is the mass of the left weight. We also know that the horizontal tension is 39 N, and we can calculate the vertical components of T1 and T3 using the given angles and the horizontal tension. When we substitute these values into the equation above and solve for M2, we get:
M2 = (W1 + T1 * sin 55° + T3 * sin 44°) / g
= (M1 * g + 39 N * sin 55° + 39 N * sin 44°) / g
≈ 18.5 kg
Therefore, the mass M2 is approximately 18.5 kg.
during most of its lifetime, a star maintains an equilibrium size in which the inward force of gravity on each atom is balanced by an outward pressure force due to the heat of the nuclear reactions in the core. but after all the hydrogen fuel is consumed by nuclear fusion, the pressure force drops and the star undergoes a gravitational collapse until it becomes a neutron star. in a neutron star, the electrons and protons of the atoms are squeezed together by gravity until they fuse into neutrons. neutron stars spin very rapidly and emit intense pulses of radio and light waves, one pulse per rotation. these pulsing stars were discovered in the 1960s and are called pulsars.
- A star with the mass (M=2.0×1030kg) and size (R=3.5×108m) of our sun rotates once every 35.0 days. After undergoing gravitational collapse, the star forms a pulsar that is observed by astronomers to emit radio pulses every 0.200 s . By treating the neutron star as a solid sphere, deduce its radius.Express your answer with the appropriate units.
- What is the speed of a point on the equator of the neutron star? Your answer will be somewhat too large because a star cannot be accurately modeled as a solid sphere.Express your answer with the appropriate units.
The speed of a point on the equator of the neutron star is 2.82 * 10^6 m/s , The radius is 900.1 km From conservation of angular momentum.
From the conservation of angular momentum
Li = Lf I i w i = i f w f
(2/5 m Ri 2) w i = (2/5 m R f2) wf R f = R i sqrt w i / w f = 3.5 * 108 sqrt 0.2/ 35 (24 * 3600 S) = 900.1 km
(b)v =2.82 * 10^6 m/s
The rotating equivalent of linear momentum in physics is called angular momentum, also known as moment of momentum or rotational momentum.
It is a conserved quantity, meaning that in a closed system, the total angular momentum stays constant, making it a significant physical quantity.
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two point masses m and m are separated by a distance d. if the distance between the masses is increased to 3d, how does the gravitational force between them change?
The gravitational force between them change is force will be one-ninth as great.
It is possible to think of the gravitational force as an attracting force that pulls all mass-containing physical objects together. It is the known natural force with the lowest strength. Gravitational force is the name for the force that the earth exerts on a body. As an illustration of motion caused by gravity, consider how leaves and fruits fall to the ground from trees, how water flows down rivers, or how a ball tossed into the air flies to a height before falling back to earth. The universal force of attraction operating on all matter is known as gravity, usually spelled gravitation, in mechanics. It plays no part in determining the interior properties of common stuff because it is by far the weakest force in nature that is known to exist.e.
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what are theadvantages of high specific heat capicity of water?.
Answer:
There are several advantages to the high specific heat capacity of water. Some of the key advantages are:
1.Water can store a large amount of heat energy without undergoing significant temperature changes. This means that water can help to regulate the temperature of the Earth and other bodies of water, providing a stable environment for life to thrive.
2.The high specific heat capacity of water allows it to act as a buffer against temperature changes. For example, when the temperature outside is very hot, water bodies such as oceans and lakes can absorb some of the heat energy, preventing the temperature from getting too high. Similarly, when the temperature outside is very cold, water bodies can release some of their stored heat energy, helping to keep the temperature from dropping too low.
3.The high specific heat capacity of water also makes it a useful heat transfer medium. Water can be heated and then used to transfer heat to other objects, such as in a radiator or a steam engine. This allows water to be used in a variety of industrial and domestic applications.
the result of added filtration is: a. increase in the average energy b. reduction in x-ray quantity c. increase in x-ray quantity d. decrease in average energy e. both a and b
The result of added filtration is an increase in x-ray quantity. Option C.
Additional filtration refers to filters that are used in addition to the original filtration. reinforced screen. An intensifying screen is used by him to intensify the X-ray effect when the X-ray film is illuminated. About 5% of the X-ray photons are absorbed only by the foil.
Additional Filtering Additional filtering consists of a thin aluminum plate placed in the path of the X-ray as it exits the tube housing on its way to the patient. You can add or remove them to change the quality of the X-ray beam. Filters provide the ability to attenuate low-energy X-ray photons allowing only high-energy photons to pass through and ultimately reach the image receptor.
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8.how does distance affect the force of attraction between two oppositely charged particles? what does say about the interaction of like and differently charged particles?
Increasing the distance between objects reduces the attraction or repulsion between them.
When the distance between two charges is doubled, the attractive or repulsive force becomes weaker and drops to a quarter of its original value. If the charge is 10 times closer, the magnitude of the force will be 100 times greater. The magnitude of the force is proportional to the value of each charge.
Therefore, the strength of bonding between ions of opposite charge in an ionic compound depends on the charge of the ions and the distance between the centers of the ions as they are packed into the crystal. If the two charges held are unequal, the electrostatic force increases with distance.
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how might a differejce in the mass of the pod change the amount of force needed to be exerted by the thrusters to stop it
A difference in the mass of the pod would greatly affect the force required by the thrusters to stop it. The larger the mass of the pod, the more force will be required to stop it. This is because the larger the mass, the more momentum it has and the harder it will be to stop.
The formula for momentum is p = mv, where p is the momentum, m is the mass, and v is the velocity. This means that the larger the mass and velocity of the pod, the more momentum it will have, and the more force will be required to stop it.
To stop the pod, the thrusters will need to exert an equal and opposite force to the momentum of the pod. This will cancel out the momentum and bring the pod to a stop. The larger the mass of the pod, the more force the thrusters will need to exert to cancel out the momentum and bring the pod to a stop.
Several factors can affect the mass of the pod, including the materials used in its construction, the payload it carries, and any additional equipment or systems it may have. For example, if the pod is made of lighter materials, it will have a lower mass and require less force to stop it. On the other hand, if the pod carries a heavy payload or has additional equipment installed, it will have a higher mass and require more force to stop it.
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A difference in the mass of the pod would have an effect on the amount of force needed to be exerted by the thrusters to stop it. This is because a pod with a large mass would require a lot of force to stop it. An object with a large mass will gain more momentum requiring more force to stop it.
The momentum formula is p = mv;
p represents momentum,
m is the mass,
v is the velocity.
This explains why a pod with a large mass will have more momentum and requiring more force to exerted to stop it.
So as to stop the pod, the thrusters will be required to exert an opposite and force which will eventually bring the pod to a stop.
The pod mass is determined by some factors such as the materials its made of and any load that its carrying. So, a pod made of heavy materials will need a lot of to be exert to stop it but one made of lighter materials will require less force to bring to a stop
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Design a promotions campaign for a new "veggie burger" at the only fast-food restaurant near a college campus. Be sure to consider the following questions regarding promotion: What are the most effective, and cost-effective, ways to reach your target market? What consistent messages do you want to communicate about your product? When is the best time to promote your product? How do competitors promote their products? How effective are they?
Campaigning for perplexing that one of the world's largest fast food chains is still trailing behind, with no vegetarian or vegan burgers.
What is campaign ?
A campaign is any series of actions or events designed to achieve a specific result, such as a television commercial and Internet ad campaign attempting to persuade children to buy bubble gum-flavored toothpaste.
The noun campaign refers to any group of actions carried out with a specific goal in mind. A political campaign's purpose is to elect a candidate to office. A military campaign's purpose may be to gain control of a city, as in General Sherman's Civil War campaign to conquer Atlanta. Campaign may also be used as a verb, such as when an environmental organisation asks people to sign petitions and contact their representatives in Congress to prevent a developer from establishing a shopping mall.
In recent years, the terrible impact of animal husbandry has taken centre stage, and we're becoming more aware of the impact our meat consumption has on the environment, our health, and animals. Which makes it even more perplexing that one of the world's largest fast food chains is still trailing behind, with no vegetarian or vegan burgers.
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1. if a mass of 0.55 kg attached to a vertical spring stretches the spring 2.0 cm from its equilibrium position, what is the spring constant of the spring?
The spring constant of the spring is 270N.
The force needed to extend or compress a spring is divided by the lengthening or shortening is used to determine the spring constant. It refers to the proportional constant k. It measures the spring's rigidity.
Given mass (m) = 0.55 kg, x = -2 cm = -0.2 m, and g = 9.81 m/s.
The net force is given by, NetF = Elastic Force + Gravity
Elastic force = -kx (k is spring constant and x is stretch length) and Gravity = -mg (m is mass and g is gravitational constant)
Net F = 0 = -kx-mg
Then, the spring constant is calculated as follows,
k=-mg/x
k=-(0.55 kg×9.81 m/s)/-0.2 m
k=270N
The answer is 270N.
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what is the correct pathway for the movement of sound waves through the human ear? 1. vibrations of the eardrum cause the ossicles to vibrate. 2. pressure waves move from the oval window to the vestibular canal, then to the tympanic canal. 3. ossicles vibrate against the oval window. 4. sound waves move through the outer ear canal. 5. waves strike the round window. question 6 options: 2, 1, 4, 3, 5 3, 1, 5, 4, 2 4, 1, 3, 2, 5 5, 2, 3, 1, 4 4, 3, 2, 1, 5
The eardrum vibrates in response to incoming sound waves, and three small bones in the middle ear receive these vibrations. The names of these bones are malleus, incus, and stapes.
How do waves behave physically?A wave is an energetic disturbance that travels from one location to another. When ever a wave propagates, simply energy, no matter, is changed. The medium is that material through which a wave travels. That medium repeatedly oscillates back and forth.
How might waves be defined?A wave is a disturbance or variation that gradually transfers energy from one place to another in a medium. It might be in the form of an elastic deformation or a change in pressure, electric or magnetic strength, electric potential, or temperature.
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. how is it possible that a body moves at a constant speed and still in accelerating motion? 2. when a car is going around a circular track with constant speed, what provides the centripetal force necessary for circular motion? 3. what are directions of acceleration and net force if the speed of an object is changing while rotating in a circular motion?
As velocity is a vector quantity that depends on the direction of the automobile, a car traveling on a roundabout can have a constant speed but can also have fluctuating velocity because its direction will be changing frequently.
There might be a change in velocity's magnitude (speed), direction, or both. Even if the speed may be constant in uniform circular motion, there is always an accompanying acceleration since the direction of the velocity changes continuously.
Because acceleration is a change in velocity, an object that is temporarily at rest yet has some speed a split second later can still be altering velocity.
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a circular loop of wire is placed perpendicular to a uniform magnetic field of 0.500 t. external forces decrease the area of the loop at a uniform rate by 2.52 m2 in 2 seconds. find the emf induced in the loop.
The emf induced in the loop is -6.30 x [tex]10^{-4}[/tex] Wb/s.
The emf induced in the loop is given by the equation:
ε = -N × (ΔΦ / Δt)
where ε is the emf induced in the loop, N is the number of turns in the loop, ΔΦ is the change in the magnetic flux through the loop, and Δt is the time over which the change in magnetic flux occurs.
In this case, the change in magnetic flux through the loop is given by the equation:
ΔΦ = B × ΔA
where B is the strength of the magnetic field and ΔA is the change in the area of the loop.
Plugging the values for B and ΔA into the equation gives us the following:
ΔΦ = 0.50 T × (-1.26 x [tex]10^{-3}[/tex] m²/s) = -6.30 x [tex]10^{-4}[/tex] Wb/s
To determine the emf induced in the loop, we need to know the number of turns in the loop and the time over which the change in magnetic flux occurs. Without this information, it is not possible to calculate the emf induced in the loop.
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a 7.4 g bullet leaves the muzzle of a rifle with a speed of 493.1 m/s. what constant force is exerted on the bullet while it is traveling down the 0.8 m length of the barrel of the rifle?
A 7.4 g bullet shoots out of a rifle's muzzle at 493.1 m/s per second. While the bullet is moving down the rifle's 0.8-m-long barrel, it experiences a constant force that is 2878.88N
Given mass of the bullet (m) = 7.4g
Speed of bullet (v) = 493.1m/s
length of barrel of rifle is (s) = 0.8m
Force exerted on the bullet = F
To find the acceleration in the barrel, we use equation v^2 = u^2+2as where u =0 as initially at rest
a = v^2/2s = 493.1x493.1/2x0.8 = 389036.176m/s^2
We know that the force (F) = mass x acceleration
F = 7.4 x 10-3x 389036.176 = 2878.88N
Hence the constant force exerted on the bullet is 2878.88N
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the first students launches the ball with a velocity of 11.2 m/s in the x direction and 6.9 m/s in the y direction. what is the time the football takes to complete its flight path?
The time the football takes to complete its flight path is 1.04 sec.
Velocity is the directional pace of an item in motion as an indication of its rate of exchange in the role as determined from a selected frame of reference and as measured by way of a selected standard of time.
Average velocity is calculated by means of dividing your displacement (a vector pointing out of your initial role in your final position) through the entire time; the average pace is calculated by way of dividing the overall distance you traveled by means of the total time.
Calculation:-
Time of flight depends on the y direction
V in y direction is = 6.9 m/s
V² = U² - 2gh
h = u²/2g
= 47.61 /2 * 9.8
= 2.43 m
Time of flight = 2U/g
= 2 * 6.9 / 9.8
= 1.4 second.
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Imagine that you are Galileo at the end of his life, writing a letter to a long-lost friend. You have many things to share, as you haven’t seen your friend in decades. Write your letter below in complete sentences. Include the answers to the following questions in your response:
a) What year is it?
b) Where are you?
c) What is your life like right now?
d) What is a description of your solar system model?
e) What is the evidence for your model?
f) Has this model ever been published before? When and by whom?
g) How does your model differ from the accepted model?
h) How has your model been received by other people
Answer:
March 15, 1641
Cardinal Maffeo Barberini,
I long awaited for my words to reach you. I sit here in my study, writing to you from Pisa. First I must ask how you are, how everything is. I know that from when you were elected that you would prosper in your studies and long live your prophecy as a Pope. Abiding by the advice you once told me, I hav e continued to further my understanding of the Solar System. From extensive measures of studying I have come to a theory and new model which I will represent as the Heliocentric Model. When considering the sun as the center, the rest around falls into place perfectly, surrounded around a fixed sun. Over the years I have found that much like our moon, Venus goes through phases. However, with this behavior it could only be true that Venus travels around the sun, rather than our beloved Earth. As a Pope I expect at least some defiance, but I respect you always as my good friend. I have taken ideas conveyed by Nicolaus Copernicus published in 1543, although I have learned he has formulated these conclusions much earlier in 1510. Currently many believe our Earth to be the center, the one in which all orbit around which differs from my sun-centered philosophy. Most are indifferent to my theories for now, however I believe this to be considered further and become the basis model of our Solar System.
-Galileo
what direct evidence do we have that the weak and electromagnetic forces were once unified as a single electroweak force?
Answer:
There is direct evidence that the weak and electromagnetic forces were once unified as a single electroweak force from the study of subatomic particles.
Explanation:
The discovery of the W and Z bosons, which are particles that mediate the weak nuclear force, provided strong evidence that the weak force was once part of a larger electroweak force. The fact that the W and Z bosons have electric charge, and that their masses are related to the masses of the photon (the particle that mediates the electromagnetic force), supports the idea that the weak and electromagnetic forces were once part of a single electroweak force. Additionally, the mathematical symmetry of the electroweak theory, which unifies the weak and electromagnetic forces, provides further evidence for this theory.
Are bubbles in electrocuted water a new substance?
Yes, The bubbles in electrocuted water is considered as a new substance.
Why does water that has been electrified produce bubbles?The water molecules' hydrogen and oxygen atoms are separating because of the electric current's flow, which is doing so. Bubbles of oxygen and hydrogen are consequently produced as a result.
What does electrocuted water entail?When faulty wiring in a pool light, boat dock, or boat launch releases an electrical current into the water, electrifying the water, and a person, such as a swimmer, comes into contact with the electrified water, it causes electrocution in water, also known as an electric shock drowning.
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3. The Sl unit for work, the joule, is equal to _____
A)1 newton x 1 meter
B)1 newton/1 meter
C)1 meter/1 newton
Answer:
I believe A, if I'm wrong please inform me!!!
Explanation:
a projectile is fired from the surface of hte earth with a speed of 200 meters per second at a an angle of 30 degrees above the horizontal. if the ground is level what is the max height reached by the projectile
Answer:
506.68 meters
Explanation:
When you launch a projectile at an angle θ from the horizontal, the initial velocity of the projectile will have a vertical and a horizontal component.
In order to determine the maximum height reached by the projectile during its flight, we need to use the vertical component of its motion.
We can use the equation below to find the maximum height.
[tex]h_{max} =\frac{v_o^{2}sin^2(B) }{2g}[/tex]
We are given
[tex]v_o=200[/tex]
[tex]B=30[/tex]
[tex]g=9.81[/tex]
Lets evaluate [tex]h_{max}[/tex].
[tex]h_{max} =\frac{200^{2}sin^2(30) }{2*9.81}[/tex]
[tex]h_{max} =\frac{40000^{2}sin^2(30) }{2*9.81}[/tex]
[tex]h_{max} =\frac{40000(\frac{1}{2})^2 }{2*9.81}[/tex]
[tex]h_{max} =\frac{40000(\frac{1}{4}) }{2*9.81}[/tex]
[tex]h_{max} =\frac{10000}{2*9.81}[/tex]
[tex]h_{max} =\frac{10000}{19.62}[/tex]
[tex]h_{max} =509.68[/tex]
a catapult launches a rock at a angle with respect to the horizontal. find the maximum height attained if the speed of the rock at its highest point is m/s.
The maximum height is 15.3m
The speed of the rock is -9.8m/s
Solution:
v(horizontal) = v0 cos 30 = 30
v0=30/cos30=34.6m/s
Therefore the initial vertical velocity is v0 sin30 =
34.6 sin30=17.3m/s
if the initial vertical speed is 17.3m/s, we can use
vfy^2=v0y^2+2ad
vfy = final y velocity=y vel at max height =0
v0y = initial y velocity = 17.3 m/s
a = accel = -9.8m/s/s
d = height
0 = 17.3^2-2(9.8)d
d = 17.3^2/19.6 = 15.3 m
Velocity is the distance traveled per unit of time, the speed of movement. The speed of a car traveling on a smooth, flat section of a highway without traffic congestion is constant and not zero. Acceleration is the rate of change of velocity. The reason is simple. Velocity is the percentage of time an object moves along a path and Velocity is the speed and direction of an object's movement.
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most of the radiation released from the failed nuclear reactor was from fission products t or f
Cesium-134, cesium-137, and iodine-131. According to UNSCEAR, iodine-131 has a half-life of only eight days, yet it is quickly inhaled through the air and has a tendency to concentrate in the thyroid gland.
What reactor exploded as a result of failure?A low-power test on the Chernobyl nuclear reactor power plant's Number Four RBMK reactor went awry on April 26, 1986, resulting in an explosion and fire that destroyed the reactor building and spilled a significant amount of radioactivity into the atmosphere.
What led to Chernobyl's failure?After the SCRAM began, there was a significant power increase that caused the core to overheat. A few seconds later, this overheating led to the initial explosion. Several of the fuel rods cracked and became obstructed.
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when a light ray moves from air into glass, which has a higher index of refraction, its path is
The light bends towards the normal line
If light enters any substance with a advanced refractive indicator similar as from air into glass it slows down.
When a ray of light passes from a lower thick material such as air into a thick material such as glass or water it's bent down from the face between the two accoutrements . This means that in this situation the angle of refraction will always be lower than the angle of incidence.
The angle of refraction is lower than the angle of incidence. This occurs anytime you have 2 materials with different indicators of refraction. As light passes from air it'll decelerate down, which bends the light toward the normal.
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The motion of the piston in an automobile engine is oscillatory as the piston travels back and forth. If the piston makes 2,000 complete cycles every minute, what is the period of the motion of the piston
a. 0.5 ms
b. 30 ms
c. 2.0 s
d. 33.3 s
The time period of the piston is b. 30ms
What is Time period?The Time Period is the length of time required for a single complete oscillation to take place. T symbolizes for Time period.The SI unit of Time period is seconds(s)The frequency is the quantity of vibrations or repetitions of an event per unit of time. Hertz units are used to measure frequency.To calculate Time period we have,
T=[tex]\frac{t}{N}[/tex]
Where,
T is time period,
t is time taken by piston,
N is number of cycles.
We are given that
t= 1 min = 60 sec
N= 2000
T=[tex]\frac{t}{N}[/tex]
T =[tex]\frac{60}{2000}[/tex]
T = 0.03 s
T = 30 × [tex]10^{-3}[/tex]
T = 30 ms.
Therefore the time period taken by the piston = 30 ms.
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an unkniown tuning fork is osudned along with a tiuning fork wjopse frequency is 256hz and beqat frquency of 3hz is hesr. what is the frequnct of th ekniown tuining fork
The unknown frequency is 253Hz or 259Hz
The beat frequency fbeat = f1 ± f2
Taking f1 = 256Hzand f beat = 3Hz
we get the unknown frequency f2 = 253Hz or 259Hz
The frequency of an event is its repetitions per unit of time. [1] For clarification, it is sometimes referred to as temporal frequency and is separate from angular frequency. One event occurs every second, or one hertz (Hz), when measuring frequency. The period is the inverse of frequency since it measures the time elapsed between events. For instance, the period, T the time interval at which the is half a second if a heart beats at a frequency of 120 beats per minute (2 hertz).
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a generator consists of a square coil of 60 turns rotating in a 0.55-t magnetic field. the frequency of this generator is 60.0 hz, and the root mean square (rms) voltage it generates is 120 v. what total length of copper wire do you need to make the coil? (hint: convert from rms voltage to peak voltage first.)
The total length of the copper wire is 28.008 m.
Calculate the angular frequency:
ω = 2 π f
ω = 2 × 3.14 × (60.0 Hz)
ω = 376.991 rad/s
Calculate the peak voltage:
V₀ = √2 × Vrms
V₀ = √2 × 120 V
V₀ = 169.706 V
The expression for the peak voltage and substitute the corresponding values to calculate the area of the square coil.
V₀ = NBAω
169.706 V = ( 60 ) × ( 0.55 T ) × ( A ) × ( 376.991 rad/s )
A = 0.01364 m²
The expression for the area of the square coil and substitute the corresponding values to calculate the side of the square:
A = L²
∴ L² = 0.01364 m²
∴ L = 0.1167 m
The total length of the wire to make the coil:
L(total) = (4N)L
L(total) = 4 × 60 × 0.1167
L(total) = 28.008 m
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g after the first 15 seconds of intense exercise, such as sprinting or power lifting, most of the energy is provided by
During the first 15 seconds of intense exercise, such as sprinting or powerlifting, most of the energy is provided from phosphocreatine. Followed by energy via anaerobic glycolysis and finally aerobic metabolism
Most of the energy is provided by phosphocreatine.
Phosphocreatine is the phosphorylated form of creatine. It is primarily found endogenously in the skeletal muscles of vertebrates where it serves a critical role as a rapidly acting energy buffer for muscle cell actions like contractions via its ability to regenerate adenosine triphosphate (ATP) from adenosine diphosphate (ADP).
Anaerobic glycolysis is the transformation of glucose to lactate when limited amounts of oxygen are available. Anaerobic glycolysis is only an effective means of energy production during short, intense exercise.
Aerobic metabolism refers to an energy-generating system under the presence of oxygen as opposed to anaerobic, i.e., oxygen independent metabolism. Aerobic metabolism uses oxygen as the final electron acceptor in the electron transport chain and combines with hydrogen to form water.
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what is the wavelength of the light we would observe today, when the universe is 13.7 billion years old?
Since light travels at a finite speed, if we witness an object 13 billion light years distant, the light has been moving in our direction for 13 billion years. In essence, what we are witnessing is how that item looked 13 billion years ago.
The cosmos is 13.7 billion years old, but how can we know this?
Although scientists are unsure of the universe's actual age, we estimate that it is roughly 13 billion years old, give or take a few billion. Two methods are used by astronomers to determine the age of the universe: (a) searching for the earliest stars; and (b) measuring the universe's rate of expansion and extrapolating back to the Big Bang.
The age of the universe is 13.8 billion light-years?
When we look up at the sky, we can only make out light that originates from objects that are currently 46 billion light years away and is at most 13.8 billion years old. Anything farther is beyond the horizon, but every second we see fresh, older light emerging from a location that is just a little bit further away—exactly three light seconds farther.
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How would the photo's setup change the mechanical advantage
of lifting the block as compared with lifting the block without a lever?
answer choices
The mechanical advantage would decrease, making the block more difficult to lift
The mechanical advantage would remain the same.
The mechanical advantage would increase, making
it would change it for it's format and identify it
22. Vernier calipers read to one tenth of a millimetre.
Which reading shows this precision?
A
3.3 cm
B 3.31 cm
C 3.310cm
D 3.312 cm
[5054
The reading which shows the precision of a Vernier calipers reading to one tenth of a millimeter is 3.31cm. Thus, the correct option is B.
What is Vernier calipers?A vernier calipers is a measuring device which is used for the measurement of linear dimensions such as length. However, it is also used for the measurement of diameters of round objects through the help of the measuring jaws which are present in it.
Vernier calipers reading is the smallest measurable distance that can be captured by a Vernier caliper. It is termed as the resolution of the Vernier caliper. The resolution of metric Vernier calipers varies from 0.02mm to 0.05mm that is it reads to one tenth of a millimeter unit. Thus, 3.31cm is a precise reading.
Therefore, the correct option is B.
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Consider the intensities of the sounds listed below.
A 2 column table with 12 rows. The first column is labeled sound in decibels with entries 140, 130, 120, 110, 100, 90, 80, 70, 60, 50, 40, 30, 20. The second column is labeled noise source with entries jet engine at 25 meters, jet aircraft at 100 meters, rock and roll concert, pneumatic chipper, woodworking machines, chainsaw, heavy truck traffic, business office, conversational speech, library, bedroom, secluded woods, whisper.
Which lists the amplitudes of sound waves from these sources in order from greatest to least?
busy roadway, kids whispering, average home
chainsaw, diesel truck, rustling leaves
kids whispering, vacuum cleaner, jet airplane
library, conversational speech, music from speaker
The amplitudes of sound waves from these sources in order from greatest to least is chainsaw, diesel truck, rustling leaves.
What are sound waves?A sound wave is described as the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound.
The amplitude of the sound wave is described as the maximum displacement of the particles from their resting position. That means that higher the amplitude equals high sound.
So the sound of a chainsaw is high, hence its amplitude will be great and after that the amplitude of diesel truck is high and rustling leaves have the lowest amplitude.
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Answer:
A. busy roadway, kids whispering, average home
B. chainsaw, diesel truck, rustling leaves
C. kids whispering, vacuum cleaner, jet airplane
D. library, conversational speech, music from speaker
Explanation: