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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

`-45.5 rad//s^2`

B

`-33.5 rad//s^2`

C

`-25.48 rad//s^2`

D

`50.9 rad//s^2`

Text Solution

Verified by Experts

The correct Answer is:
C
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