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A particle of mass 4 m which is at rest ...

A particle of mass 4 m which is at rest explodes into three fragments. Two of the fragments each of mass m are found to move with a speed v each in mutually perpendicular directions. The total energy released in the process of explosion is ............

A

`(1)/(2)mv^(2)`

B

`mv^(2)`

C

`(3)/(2)mv^(2)`

D

`2 mv^(2)`

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