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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A cricket ball of mass 250 g collides with a bat with velocity 10 m/s and returns with the same velocity within 0.01 second. The force acting on the bat is

Answer: (D)

Solution

The ball's velocity reverses direction, so Δp = m(v−(−v)) = 2mv = 2 × 0.25 × 10 = 5 kg·ms⁻¹. F = Δp/t = 5/0.01 = 500 N.

Question ID VK-153216