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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 3 m/s and 4 m/s respectively. The third piece will be thrown off with a velocity of

A

1.5 m/s

B

2.0 m/s

C

2.5 m/s

D

3.0 m/s

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