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A body of mass 3 kg moving with a veloci...

A body of mass 3 kg moving with a velocity `(2hati+3hatj+3hatk)` m/s collides with another body of mass 4 kg moving with a velocity `(3hati+2hatj-3hatk)` m/s. The two bodies stick together after collision. The velocity of the composite body is

A

`1/7(4hati+6hatj-3hatk)`

B

`1/7(18hati+17hatj-3hatk)`

C

`1/7(6hati+4hatj-6hatk)`

D

`1/7(9hati+8hatj-6hatk)`

Text Solution

Verified by Experts

The correct Answer is:
B
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