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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 speed 'v'. the speed of the third part after explosion will be

A

v

B

`sqrt2v`

C

`(v)/(2)`

D

`(v)/(sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`m u=m_(1)v_(1)+m_(2)v_(2)+m_(3)v_(3)`
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Knowledge Check

  • The objects at rest suddenly explodes into three parts with the mass ratio 2:1:1. The parts of equal masses moves at right angles to each other with equal speeds. The speed of the third part after the explosion will be

    A
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