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A slender rod is hinged at its top end a...

A slender rod is hinged at its top end and hanging freely in a vertical position. A tiny ball, moving horizontally, hits the lower end of the rod elastically and comes to rest. The ratio of the mass of rod to the mass of the ball must be

A

`3:2`

B

`3:1`

C

`5:3`

D

insufficient data

Text Solution

Verified by Experts

The correct Answer is:
2
`mv_(0)l=(ml^(2))/3 omega`
`v_(0)=omegalrArr M=3m`
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