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Final Velocities

A ball of mas...

Question

A ball of mass 'm', moving with uniform speed, collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when the mass of the stationary ball is:

A

m

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B

2m

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C

4m

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D

Infinity

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Solution

The correct option is A m
In elastic collision of a moving ball with a stationary ball,incident ball looses maximum K.E. when masses of two balls are same.
so,The incident ball will lose maximum kinetic energy when the mass of the stationary ban is m.hence,option A is correct.

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