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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A car is moving at a speed of 72 km/hr. The radius of its wheels is 0.25 m. If the wheels are stopped in 20 rotations by applying brakes, then the angular retardation produced by the brakes is

Answer: (A)

Solution

m/s, rad/s. rad.

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Question ID VK-158912