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A body of mass M splits into two parts a...

A body of mass M splits into two parts aM and `(1-alpha)` M by an internal explosion, which generates kinetic energy T. After explosion if the two parts move in the same direction as before, their relative speed will be -

A

`sqrt((T)/((1-alpha)M))`

B

`sqrt((2T)/(alpha(1-alpha)M))`

C

`sqrt((T)/(2(1-alpha)M))`

D

`sqrt((2T)/(2(1-alpha)M))`

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