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A body of mass M at rest explodes into t...

A body of mass M at rest explodes into three pieces, two of which of mass `M//4` each are thrown off in perpendicular directions with velocities of `3m//s` and `4m//s` respectively. The third piece will be thrown off with a velocity of

A

`1.5m//s`

B

`2.0m//s`

C

`2.5m//s`

D

`3.0m//s`

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The correct Answer is:
C
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