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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

In a head-on elastic collision of a very heavy body moving at v with a light body at rest, the velocity of the heavy body after collision is

Answer: (A)

Solution

For M≫m, the heavy body's velocity is essentially unaffected: v₁' = [(M−m)/(M+m)]v → v as m/M → 0.

Question ID VK-153659