A rubber ball is dropped from a height of 5 m on a plane. It bounces back to a height of 1 . 8 m . Find the coefficient of the restitution for the collision.

Question

A rubber ball is dropped from a height of 5 m on a plane. It bounces back to a height of 1 . 8 m . Find the coefficient of the restitution for the collision.,

MARKS App · Accepted Answer

If the ball is dropped from height h and bounces back to height h 1 h 1 = e 2 h ⇒ e = h 1 h = 1 . 8 5 = 0 . 6

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