A current loop on a stand (that allows it to rotate) is currently sitting so the plane of the loop is horizontal. The current is going counter-clockwise in the loop, as seen from above.
Which directions of the magnetic field will result in a magnetic torque on the loop?
South
North
Vertically out of the page
West
East
Answers
Magnetic torque on the loop will only occur when the magnetic field is perpendicular to the plane of the loop.
A magnetic torque on the loop will be created when the loop experiences a magnetic field perpendicular to its plane. Since the current in the loop is counter-clockwise, the direction of the torque will depend on the direction of the magnetic field.
If the magnetic field is directed towards the south, there will be a clockwise torque on the loop. If it is directed towards the north, there will be a counter-clockwise torque on the loop. If the magnetic field is directed vertically out of the page, there will be no torque on the loop, as the field is parallel to the plane of the loop.
Similarly, if the magnetic field is directed towards the west, there will be a torque that will tend to lift the loop upwards, and if the magnetic field is directed towards the east, there will be a torque that will tend to push the loop downwards.
In summary, magnetic torque on the loop will only occur when the magnetic field is perpendicular to the plane of the loop.
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Related Questions
SOMEONE HELP ME PLEASE
Answers
If the moon were to hit Earth how much force would it hit it with?
Answers
Answer:
Knowing the moon weighs approximately 7x10^22 kg and is orbiting at 1 km/s, it would take roughly 7x10^25 joules to slow its orbit down enough to crash it into earth.
Explanation:
The tissue slice being imaged by a parallel beam x-ray CT scanner is
f(x,y)=rect(x/3,y+1/2)+rect(x,y).
(a) Assume the detector is a point detector. Sketch the projection g(l,theta) as a function of l, for theta=0, 45, 90, and 135 degrees, respectively. You should indicate the magnitudes of the projected values where necessary on your sketch.
(b) Sketch the image obtained by backprojections from both 0 and 90 degree projections. You
should normalize your back-projection using the dimension of the imaged region as indicated on
the figure.
(c) What will be the projected function for theta=0 if the detector is an area detector with width 0.1 cm. Sketch the projected function.
(d) Determine the Fourier transform of the original image along a line with orientation theta=45, and 90 degree.
Answers
The Fourier transform of the original image along a line with orientation θ = 45 degrees and 90 degrees are F{f(x, y) cos θx + sin θy} and F{f(x, y)}, respectively.
(a)When the tissue slice being imaged by a parallel beam x-ray CT scanner is f(x, y) = rect(x/3, y+1/2) + rect(x, y), and the detector is a point detector, the projection g(l, θ) as a function of l, for θ = 0, 45, 90, and 135 degrees, respectively can be sketched as follows. For θ = 0 degrees, the projection is shown below.
For θ = 45 degrees, the projection is shown below. For θ = 90 degrees, the projection is shown below.
For θ = 135 degrees, the projection is shown below.
(b) When the back-projection is carried out from both 0 and 90 degree projections and normalized using the dimension of the imaged region as indicated on the figure, the image obtained can be sketched as follows.
(c) If the detector is an area detector with a width of 0.1 cm, the projected function for θ = 0 will be obtained by convolving the function with a rectangular pulse of width 0.1 cm as shown below.
(d) The Fourier transform of the original image along a line with orientation θ = 45 degrees is shown below. The Fourier transform of the original image along a line with orientation θ = 90 degrees is shown below.
Therefore, the Fourier transform of the original image along a line with orientation θ = 45 degrees and 90 degrees are F{f(x, y) cos θx + sin θy} and F{f(x, y)}, respectively.
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Which statement best describes semi-conductors? Lack free electrons that can move to other atoms Electrons within their atoms are strongly held by the nuclei Most electrons within their atoms are paired Electricity can flow through it under special conditions
Answers
Answer:
Option D (Electricity can flow through it under special conditions ) seems to be the correct choice.
Explanation:
A semiconductor has become a crystal substance with improved electrochemical properties although the temperature is increased. That would be to say, it often functions as an insulating material rather than as a conductor or a circuit. Chemical solvents could perhaps greatly enhance its conducting capacity.Other options that are provided are not related to the given theory. So that the above would be the correct choice.
Statement "Lack free electrons that can move to other atoms " describe semi-conductor.
Properties of Semiconductor:A semiconductor is a type of crystalline solid that is halfway between a conductor and an insulator in terms of electrical conductivity. A semiconductor is conducting in nature because it has free electrons and holes.So that, Lack free electrons that can move to other atoms.Learn more about the Semiconductor here:
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Given that the Sun's lifetime is about 10 billion years, estimate the life expectancy of a a) 0.2-solar mass, 0.01-solar luminosity red dwarf b) a 3-solar mass, 30-solar luminosity star c) a 10-solar mass, 1000-solar luminosity star
Answers
The life expectancy of the given stars are:a) 0.2-solar mass, 0.01-solar luminosity red dwarf: 10 trillion yearsb) 3-solar mass, 30-solar luminosity star: 10 million yearsc) 10-solar mass, 1000-solar luminosity star: 10 million years.
The life expectancy of a star is determined by its mass and luminosity. The more massive and luminous the star is, the shorter its life expectancy is. Hence, using this information, we can estimate the life expectancy of the following stars:a) 0.2-solar mass, 0.01-solar luminosity red dwarfRed dwarfs are known to have the longest life expectancies among all types of stars. They can live for trillions of years.
Hence, a 0.2-solar mass, 0.01-solar luminosity red dwarf is expected to have a much longer life expectancy than the Sun. It could live for up to 10 trillion years or more.b) 3-solar mass, 30-solar luminosity starA 3-solar mass, 30-solar luminosity star is much more massive and luminous than the Sun. As a result, it will have a much shorter life expectancy than the Sun.
Based on its mass and luminosity, it is estimated to have a lifetime of around 10 million years.c) 10-solar mass, 1000-solar luminosity starA 10-solar mass, 1000-solar luminosity star is extremely massive and luminous. It will burn through its fuel much faster than the Sun, resulting in a much shorter life expectancy. Based on its mass and luminosity, it is estimated to have a lifetime of only around 10 million years as well.
Therefore, the life expectancy of the given stars are:a) 0.2-solar mass, 0.01-solar luminosity red dwarf: 10 trillion yearsb) 3-solar mass, 30-solar luminosity star: 10 million yearsc) 10-solar mass, 1000-solar luminosity star: 10 million years.
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What is the difference between FIR AND IIR filter?
Answers
Digital filters are important in digital signal processing. FIR and IIR filters are two types of digital filters. The main difference between FIR and IIR filters is that FIR filters are known as non-recursive filters, while IIR filters are recursive filters. In this answer, we will explore more about the differences between FIR and IIR filters.
FIR Filters FIR stands for finite impulse response. FIR filters are also called non-recursive filters. In an FIR filter, the output depends only on the current input and the previous inputs. FIR filters are also known as moving average filters. FIR filters have a linear phase response, which makes them useful in audio and image processing. FIR filters have more stable responses compared to IIR filters, which means they are more predictable.
IIR filters are more efficient than FIR filters because they use feedback loops. IIR filters have nonlinear phase responses, which make them useful in signal processing and control systems. IIR filters are less stable than FIR filters, which means they are less predictable.
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4 properties of light
Answers
-dispersion of light
-absorption of light
-polarization of light
how are rotation curves of spiral galaxies determined for distances beyond where starlight can be detected?
Answers
In order to determine the rotation curves of spiral galaxies for distances beyond where starlight can be observed, we build its rotation curve by monitoring Doppler changes in gas clouds at various distances from the galaxy's core.
What are Rotation Curves?A rotation curve is a graphic that shows how the orbital velocity, V, changes with distance from the object's center, R.
Spiral galaxies are twisted clusters of stars and gas with stunning forms made up of hot newborn stars.
The majority of galaxies identified so far are spiral galaxies, as a contrast to the other two major kinds of galaxy morphologies – elliptical and irregular.
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what is the answer to 7Hm a dm
Answers
Answer:
7 hectometers is 7000 decimeters
¿Qué fuerza se deberá aplicar en un embolo pequeño de una prensa hidráulica
de 12 cm de area, para levantar un cuerpo de 70 000 N de peso, que se encuentra en el embolo mayor y cuya área es de 85 cm?
Answers
The force that needs to be applied to the small piston of the hydraulic press to lift a body weighing 70,000 N is approximately 495,833.33 N.
To calculate the force required to lift a body using a hydraulic press, we can use Pascal's principle, which states that the pressure applied to an enclosed fluid is transmitted equally in all directions.
In this case, we have a hydraulic press with a small piston of 12 cm² area and a large piston of 85 cm² area. The weight of the body to be lifted is 70,000 N.
Step 1:
Calculate the pressure on the small piston:
Pressure = Force / Area
Pressure = 70,000 N / 12 cm²
Step 2:
Calculate the force required on the large piston:
Force = Pressure x Area
Force = Pressure x 85 cm²
Let's solve these calculations.
Step 1:
Pressure = 70,000 N / 12 cm²
Pressure = 5,833.33 N/cm²
Step 2:
Force = 5,833.33 N/cm² x 85 cm²
Force = 495,833.33 N
Therefore, the force that needs to be applied to the small piston of the hydraulic press to lift a body weighing 70,000 N is approximately 495,833.33 N.
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Describe how the pendulum concept is used in the pendulum clock.
Answers
The concept of the pendulum is used in pendulum clocks to keep time. The pendulum swings back and forth in a continuous motion at a fixed rate that is determined by the length of the pendulum and the force of gravity.
This motion is used to regulate the movement of the clock's gears, which control the hands on the clock face.The mechanism of a pendulum clock is such that when the pendulum swings in one direction, it pushes a toothed wheel or gear, which in turn moves the other gears, causing the clock's hands to move forward.
When the pendulum swings back in the opposite direction, it again pushes the gear, causing the hands to move further forward. This cycle continues, with each swing of the pendulum causing the hands to move forward by a set amount. The length of the pendulum determines the rate at which the hands move forward, with longer pendulums causing the hands to move more slowly.
In a pendulum clock, the pendulum swings back and forth in a continuous motion at a fixed rate that is determined by the length of the pendulum and the force of gravity. This motion is used to regulate the movement of the clock's gears, which control the hands on the clock face. The pendulum clock is an improvement on the original verge escapement clocks, which were prone to errors due to the uneven force of the mainspring.The pendulum is a simple yet effective device that can keep accurate time. Its motion is governed by the law of conservation of energy, which states that energy cannot be created or destroyed, only transferred from one form to another.
When the pendulum is pulled to one side and released, it swings back and forth, converting potential energy into kinetic energy and back again. The period of the pendulum, or the time it takes to complete one full swing, is determined by the length of the pendulum and the force of gravity. By adjusting the length of the pendulum, the rate at which it swings can be altered, allowing it to keep accurate time.
To keep the pendulum clock running accurately, it needs to be adjusted periodically. This is done by altering the length of the pendulum, either by moving a weight up or down along the pendulum rod or by turning a screw at the bottom of the pendulum bob. This alters the period of the pendulum, which in turn changes the rate at which the clock runs.
The pendulum clock is a testament to the ingenuity of humanity. By using the simple yet effective concept of the pendulum, clockmakers were able to create accurate timepieces that revolutionized the way we keep time. Today, the pendulum clock may have been superseded by more advanced technologies, but its legacy lives on in the modern clocks and watches we use every day.
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Help!!! i'll mark brainliest
If I stretch a standard rubber band (mass of 0.01 kg, spring constant of 40 N/m) 0.25 meters, how high would it launch into the air?
Answers
Answer:
You have a hooks law problem F=kx Where F= (40 N/m)× (0.25 meters) F= 10 N Hence the force is 10 NAnswer: The answer would be 12.5 m
Newton's third law states that forces always occur in
and pairs.
A unequal, parallel
B equal, parallel
C unequal, opposite
Dequal, opposite
Answers
Newton's third law states that forces always occur in equal, opposite pairs.
Newton's third law :The third law of motion by Newton states that equal but diametrically opposed forces always act in pairs. There is an equal but opposite reaction to every action, to put it another way. This means that when you push against a wall, the wall pushes back against you with an equal amount of force.
What does Newton's third law say about forces?Action and reaction forces are described by Newton's third law of motion. According to the law, there is an equal and opposite reaction force for every action force.
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a man wants to test a rope. he ties one end to a telephone pole and the other to a horse. the horse pulls as hard as it can, but is not strong enough to break the rope. the man replaces the telephone pole with a second horse of identical strength. assume the two horses pull in opposite directions as hard as they can. will the rope break? explain your answer.
Answers
The rope will not break. Even though the two horses are pulling in opposite directions, their strength is identical and therefore cancels out.
The rope is not subjected to any greater force than when only one horse was pulling. If the rope was not strong enough to withstand the force of one horse, it would have broken when the first horse pulled on it.
This shows that maybe the rope is stronger and perhaps it was actually able to withstand the force than the horses when it is single and when now they are combined to form a greater force.
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identify the nuclide produced when americium-241 decays by alpha emission: 241 95am→42he + ?
Answers
The nuclide produced when americium-241 decays by alpha emission is plutonium-237: 241₉₅Am → ⁴₂He + ²₉₇Pu.
The nuclide produced when thorium-234 decays by beta emission is protactinium-234: ²³⁴₉₀Th → ⁰₋₁e + ²³⁴₉₁Pa.
Determine the alpha decay?In alpha decay, an alpha particle (⁴₂He) is emitted from the nucleus, which decreases the atomic number (Z) by 2 and the mass number (A) by 4. In the case of americium-241 (241₉₅Am), an alpha particle is emitted, resulting in the production of plutonium-237 (²₉₇Pu).
In beta decay, a beta particle (⁰₋₁e) is emitted from the nucleus, which increases the atomic number (Z) by 1 while keeping the mass number (A) the same. When thorium-234 (²³⁴₉₀Th) undergoes beta decay, a beta particle is emitted, leading to the production of protactinium-234 (²³⁴₉₁Pa).
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The nuclide produced when americium-241 undergoes alpha emission is Neptunium-237, with atomic number 93 and mass number 237.
Explanation:The question asks us to identify the nuclide produced when americium-241 decays by alpha emission. When an atom undergoes alpha decay, it produces an alpha particle, which is identical to a helium-4 nucleus. An alpha particle carries a charge of +2 because it consists of 2 protons and 2 neutrons. As a result, in alpha decay, the parent atom's atomic number decreases by 2 and the mass number decreases by 4.
Given the alpha decay equation: 241 95Am -> 4 2He + X. We know the alpha particle is 4 2He. To balance this equation, the resulting nuclide, signified by X, must satisfy 241 = 4 + A (mass numbers). Solving for A, we get A = 237. Similarly, 95 = 2 + Z (atomic numbers). Solving for Z, we get Z = 93. Hence, the nuclide produced is 237 93Np (Neptunium-237).
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Why must 0s always be clearly marked on a motion map?
Answers
Answer:
A motion map can represent the position, velocity, and acceleration of an object at various clock readings. ... The corresponding motion map has the points spaced farther apart (because the car would go a further distance in each second), and the velocity vectors (arrows) are longer, because the car is moving faster.
Explanation:
PLEASE HELP ASAP!!
Select the correct answer.
According to this map, which county in Florida is most in need of safe rooms and hurricane ties?
A.
Hillsborough
B.
Jefferson
C.
Palm Beach
D.
Miami-Dade
Answers
Answer:
I think it's Miami-Dade
Explanation:
i hope this helps
Answer:
it is miami-dade!
Explanation:
A student walks 350 m [S], then 400 m [E20°N], and finally 550 m [N10°W]. Using the component method, find the resultant (total) displacement). Round your answer to the appropriate significant figures. Round your angle to the nearest degree.
Answers
In component form, the displacement vectors become
• 350 m [S] ==> (0, -350) m
• 400 m [E 20° N] ==> (400 cos(20°), 400 sin(20°)) m
(which I interpret to mean 20° north of east]
• 550 m [N 10° W] ==> (550 cos(100°), 550 sin(100°)) m
Then the student's total displacement is the sum of these:
(0 + 400 cos(20°) + 550 cos(100°), -350 + 400 sin(20°) + 550 sin(100°)) m
≈ (280.371, 328.452) m
which leaves the student a distance of about 431.8 m from their starting point in a direction of around arctan(328.452/280.371) ≈ 50° from the horizontal, i.e. approximately 431.8 m [E 50° N].
How much does a bowling ball weigh if it has a mass of 6 kg on Earth?
Answers
Answer: pretty sure 14 pounds
Explanation:
Which of the following is NOT an example of convection?
Answers
Answer:
HEAT?
Explanation:
A person gets a suntan on a beach is not an example of convection. Therefore, the correct option is option C.
What is convection?The process of convection involves the movement of such a heated fluid, including such air or water, in order to transfer heat. Natural convection is caused by the fact that most fluids have a propensity to expand when heated, becoming less dense and rising due to the increased buoyancy.
Natural convection is caused by the fact that most fluids have a tendency to expand when heated, becoming less dense and rising due to the increased buoyancy. The air inside a heated room or the water inside a kettle are heated uniformly thanks to circulation brought on by this effect. A person gets a suntan on a beach is not an example of convection.
Therefore, the correct option is option C.
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Your question is incomplete but most probably your full question was,
Which one of the following is not an example of convection?
a) Smoke rises above a fire.
b) An eagle soars on an updraft of wind.
c) A person gets a suntan on a beach.
d) Spaghetti is cooked in water.
e) An electric heater warms a room.
How does an electric generator work? the axle rotates the armature in the magnetic field of a permanent magnet, which induces an electric current. the armature rotates the axle in the magnetic field of a permanent magnet, which induces an electric current. the axle rotates the armature in the magnetic field of an electromagnet, which induces an electric current. the armature rotates the axle in the magnetic field of an electromagnet, which induces an electric current.
Answers
The armature rotates the axle in the magnetic field of an electromagnet, which induces an electric current defined that es the working of an electric generator.
What is an electric generator?An electric generator is physically equivalent to an electric motor, but it converts mechanical energy into electrical energy using a reversed flow of power.
When strong magnets are used, a strong flux is produced, and the motor becomes more powerful. Internal flux has a significant impact on coil strength.
Increasing current results in greater power. In the same way, shortening the distance between magnets makes the motor stronger by increasing flux and torque.
The armature rotates the axle in the magnetic field of an electromagnet, which induces an electric current defined that es the working of an electric generator.
Hence option D is correct.
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Answer:
d
Explanation:
edge 2022
jaime lifts a package weighing 75N. if she lifts it 1.2 m, what work has she done
Answers
90 J
Explanation:
W=fd
W=(75)(1.2)
W= 90 J
Calculate the time required for a 6000.-newton net force to stop a 1200.-kilogram car initially traveling at 10. meters per second.
Answers
The car, experiencing a net force of 6000 N in the opposite direction, with a mass of 1200 kg, will come to a stop in approximately 2 seconds according to the idealized calculation. Real-world factors like friction are not considered in this simplified scenario.
To calculate the time required for a net force to stop a car, we can use the equation of motion:
Force = Mass * Acceleration
In this case, the net force is acting in the opposite direction of the car's motion to bring it to a stop. So the net force is equal to the mass of the car multiplied by the acceleration in the opposite direction.
To find the acceleration, we can rearrange the equation to solve for acceleration:
\(\text{Acceleration} = \frac{\text{Net force}}{\text{Mass}}\)
\(\text{Acceleration} = \frac{6000\,\text{N}}{1200\,\text{kg}} = 5\,\text{m}/\text{s}^2\)
Now, we can use another equation of motion to calculate the time required to stop the car:
Final velocity = Initial velocity + (Acceleration * Time)
Since the final velocity is 0 m/s (the car comes to a stop), we can substitute the known values:
0 m/s = 10 m/s + (5 m/s² * Time)
Solving for Time:
\(\text{Time} = \frac{-10\,\text{m}/\text{s}}{5\,\text{m}/\text{s}^2} = -2\,\text{s}\)
The negative sign indicates that the car would take 2 seconds to come to a stop in the opposite direction of its initial motion.
However, it is important to note that this result indicates an idealized scenario without considering factors such as friction or other resistive forces, which can affect the actual stopping time of a car in real-world situations.
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does uranium use turbines
i promise to mark brainliest
Answers
soo sorry if it’s not
a trumpet creates a sound intensity level of 1.14 102 db at a distance of 2 m. (a) what is the sound intensity of a trumpet at this distance?
Answers
A trumpet creates a sound intensity level of 1.14 102 db at a distance of 2 m, the sound intensity of a trumpet at this distance is 4.89×10^-4 W/m2.
The sound intensity of a trumpet at a distance of 2m is 4.89×10^-4 W/m2. Sound intensity, which is the sound energy produced per unit time and per unit area, is measured in watts per square meter (W/m2). The formula for sound intensity is I = P/A, where I is sound intensity, P is sound power, and A is area. Sound intensity level (SIL) is another metric used to describe sound.
The formula for SIL is SIL = 10 log(I/I₀), where I₀ is the threshold of hearing, which is 1.00×10^-12 W/m2.
The sound intensity level produced by the trumpet at a distance of 2m is 102 dB.
Therefore, we can use the following formula to determine the sound intensity of the trumpet at this distance: I = I₀ 10^(SIL/10).
Substituting the values, we get:I = (1.00×10^-12 W/m2) 10^(102/10)I = 4.89×10^-4 W/m2
Therefore, the sound intensity of the trumpet at a distance of 2m is 4.89×10^-4 W/m2.
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a penguin in a box is sliding up an icy slope. the direction of the velocity vector is shown. the only forces acting on the penguin and its box are the gravitational force from the earth, the normal force from the icy surface, and a small amount of friction from the icy surface. the direction of the gravitational force is:
Answers
The direction of the gravitational force is: parallel to the slope , in the opposite direction as the velocity.
Gravitational force is the force due to gravity , that pulls object with mass towards each other. The force of the attraction between all the masses in the whole universe. Example: force of attraction on the body by the earth.
Thus, A penguin in a box is sliding up an icy slope. the direction of the velocity vector is shown. the only forces acting on the penguin and its box are the gravitational force from the earth, the normal force from the icy surface, and a small amount of friction from the icy surface The direction of the gravitational force is: parallel to the slope , in the opposite direction as the velocity.
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the more matter an object has, the more ________ it has
Answers
Answer:
Mass
No matter where an object is in the universe, the more matter an object has, the more mass it will have as well.
The surface of this planet is obscured by an atmosphere of thick clouds and toxic gases. What planetary body is it
Answers
Answer:
Venus....
Explanation:No explanation just simple answers
The threshold that tells us the minimum we can hear is the threshold of ___
The threshold that tells us the maximum we can hear is the threshold of ___
Answers
The threshold that tells us the minimum we can hear is the threshold of audibility. The threshold that tells us the maximum we can hear is the threshold of pain or discomfort.
The threshold of audibility refers to the lowest sound intensity that can be detected by the human ear. It represents the minimum level of sound required for a person with normal hearing to perceive a sound stimulus. This threshold varies depending on the frequency of the sound.
On the other hand, the threshold of pain or discomfort is the highest sound intensity that the human ear can tolerate before experiencing pain or discomfort. It signifies the upper limit of sound levels that can be safely endured by the auditory system without causing damage. Beyond this threshold, exposure to excessively loud sounds can lead to hearing loss, ear damage, and other auditory problems.
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The rate of change of velocity is called:.
Answers
Answer: Acceleration
Detailed Explanation:
Acceleration is defined as the rate of change of velocity.