rotational-motion

Question: A car is moving at a speed of 72 km/hr. the diameter of its wheels is 0.5 m. If the wheels are stopped in 20 rotations by applying brakes, then angular retardation produced by the brakes is

1) $– 25.5 rad/s^2$

2) $– 29.5 rad/s^2$

3) $– 33.5 rad/s^2$

4) $– 45.5 rad/s^2$

Solution:

Explanation: No Explanation

angular displacement velocity and acceleration

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