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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

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The correct Answer is:
B
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