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A body of mass 4 m is lying in xy - plan...

A body of mass 4 m is lying in xy - plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is

A

`mv^2`

B

`3/2(mv^2)`

C

`smv^2`

D

`4mv^2`

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