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A bomb moving with velocity (40hati+50ha...

 A bomb moving with velocity `(40hati+50hatj - 25hatk)` m/s explodes into two pieces of mass ratio 1 : 4. After explosion the smaller piece moves away with velocity `(200hati + 70hatj +15hatk)m//s`.velocity of larger mass

A

`45hati-35hatk`

B

`45hati-35hatj`

C

`45hatk-35hatj`

D

`-35hati+45hatk`

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