Question

A small ball is projected from point P on the
floor towards a wall as shown. It hits the
wall when its velocity is horizontal. Ball
reaches point P after the bounce on the
floor. If the coefficient of restitution is the
same for the two collisions, then its value is
e = 1/2 를
3
ee
2
e=1​

Answer 1

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thanks for free points

Answer 2

Answer:

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