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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A ball of mass 150 g starts moving with an acceleration of 20 m/s². When hit by a force, which acts on it for 0.1 sec, the impulsive force is

Answer: (C)

Solution

The force producing this acceleration is F = ma = 0.15 × 20 = 3 N. Impulse = F × t = 3 × 0.1 = 0.3 N·s.

Question ID VK-153276