A ping-pong ball strikes a wall with a v...

A ping-pong ball strikes a wall with a velocity of `10 ms^(-1)`. If the collision is perfectly elastic, find the velocity if ball after impact

`-20 ms^(-1)`

`-5 ms^(-1)`

`1.0 ms^(-1)`

`-10 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

`m_(1)u_(1) +m_(2) u_(2) = m_(1)v_(1) + m_(2)v_(2)`

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