3 years ago

How is reflection used in the process of finding the speed of a vehicle?

Physics

1 answer:

Softa [21]3 years ago

7 0

The reflection is measured sometimes when Determining the speed of a vehicle with a LIDAR or RADAR gun.

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The sun's energy is stored in fossil fuels. true or false.

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2 years ago

List examples of how the Bill of Rights protects you: . . . . .

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A particle moving on a circle has a velocity of 5 m/s and a normal acceleration of 10 m/s^2. What is the radius of the circle?

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Answer:

Radius of the circle will be 2.5 m

Explanation:

We have given velocity of particle moving in the circle v = 5 m/sec

Acceleration of particle in the circle $a=10m/sec^2$

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We know that acceleration is given by $a=\frac{v^2}{r}$

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2 years ago

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Two objects with the same mass move with the same speed but in opposite directions. Compare their kinetic energies.

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A. Kinetic energies are equal.

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The kinetic energy of the bodies will be equal since the mass and speed are the same.

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The kinetic energy is a scalar quantity with no regard for direction.

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