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A car is moving at a speed of 72 km//h. ...

A car is moving at a speed of `72 km//h`. The diameter of its wheels is `0.5 m`. If the wheels are stopped in `20` rotations by applying brakes, calcualte the angular retardation produced by the brakes.

A

`-25.5` rad/s

B

`-29.5` rad/s

C

`-33.5` rad/s

D

`-45.5` rad/s

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The correct Answer is:
A
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