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The object at rest suddenly explodes int...

The object at rest suddenly explodes into three parts with the mass ratio `2:1:1`. The parts of equal masses move at right angles to each other with equal speeds. What is the speed of the third part after the explosion?

A

2v

B

`v //sqrt( 2)`

C

`v //2`

D

`sqrt( 2) v `

Text Solution

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The correct Answer is:
B
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