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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

`3//2mv^2`

B

`1//2mv^2`

C

`4mv^2`

D

`3mv^2`

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