Collision Problem

Question

Two Pendulum bobs of mass m&2m collide elastically at their lowest point of motion.If both the balls are released from the height H above the ground.To what height did they rise for the first time after collision.

Answer 1

Comments

As the collision is elastic  use energy conservation law, and during the collosion momentum conservation law, as net external horizontal force is zero . ( Be careful )

Answer 2

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