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A thin uniform rod of mass m and length ...

A thin uniform rod of mass `m` and length `l` is free to rotate about its upper end. When it is at rest, it receives an impulse `J` at its lowest point, normal to its length immediately after impact,

A

The angular momentum of the road is Jl

B

Angular velocity of the rod Is 3J/ml

C

The K.E. of the rod is `3J^(2)//2m`

D

The linear velocity of the midpoint of the rod is 3J/2m.

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