A ball of mass m moving with speed u col...

A ball of mass m moving with speed u collides with a smooth horizontal surface at angle `theta` with it as shown in figure. The magnitude of impulse imparted to surface by ball is [Coefficient of restitution of collision is e]

`m u(1+e)cos theta`

`m u(1-e)sin theta`

`m u(1-e)cos theta`

`m u(1+e)sin theta`

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