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A rod of mass 4m and length L is hinged ...

A rod of mass 4m and length L is hinged at the mid point. A ball of mass 'm' moving with speed V in the plane of rod, strikes at the end at an angle of `45^@` and sticks to it. The angular velocity of system after collision is-

A

`(3sqrt(2)V)/(7L)`

B

`(sqrt(2)V)/(7L)`

C

`(sqrt(2)V)/(3L)`

D

`(3V)/(7L)`

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