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A particle of mass m is released from re...

A particle of mass `m` is released from rest at point `A` in the figure falling freely under gravity parallel to the vertical `Y`-axis. The magnitude of angular momentum of particle about point `O` when it reaches `B` is (where `OA=b` and `AB=h`)

A

`(mh)/(bg)`

B

`mgbsqrt(2gh)`

C

`mbsqrt(3gh)`

D

`2mbsqrt(gh)`

Text Solution

Verified by Experts

The correct Answer is:
B
`L=sqrt(2gh)xxmb`
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