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Stationary bomb explodesinto three piece...

Stationary bomb explodesinto three pieces. One piece of 2kg mass moves with a velocity of `8 ms ^(-1)` at right angles to the other piece of mass 1 kg moving. With a velocity of `12 ms^(-1)` . If the mass of the third piece is `0.5kg`, then its velocity is

A

`10ms^-1`

B

`20ms^-1`

C

`30ms^-1`

D

`40ms^-1`

Text Solution

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The correct Answer is:
D
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