A ball is thrown onto a smooth floor with speed `u` at angle `theta = 45^(@)`. If it rebounds with a
Channel: Doubtnut
Date: 26/01/2020

A ball is thrown onto a smooth floor with speed `u` at angle `theta = 45^(@)`. If it rebounds with a speed `v` at the same angle `phi = 45^(@)`. Then the coefficient of restitution is