The adjacent figure shows an infinite fr...

The adjacent figure shows an infinite frame of two sides in a gravity - free space. What is the final constant kinetic energy expected of the ball of mass m projected as shown with an initial velocity `v_0`? The coefficient of restitution for the collision between the ball and the frame is `e = 0.5`.

`0.5 mv_0^2`

`0.25 mv_0^2`

`0.125 mv_0^2`

`0.325 mv_0^2`

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