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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A ball of mass makes a head-on elastic collision with a ball of mass which is initially at rest. The fractional transfer of energy by the first ball is . Deduce the value of for which the fractional transfer is maximum.

Answer: 1

Solution

Maximize : \dfrac{4(1+n)^2-4n·2(1+n)}{(1+n)^4}\dfrac{4(1-n)}$

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Question ID VK-158843