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A ball moving on a horizontal frictionle...

A ball moving on a horizontal frictionless plane hits an identical ball at rest with a velocity of `0.5m//s`. If the collision is elastic, calculate the speed imparted to the target ball, if the speed of projectile after the collision is `30cm//s`.

A

`20 cm s^(-1)`

B

`30 cm s ^(-1)`

C

`40 cm s ^(-1)`

D

`50 cm s ^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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