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A force 2hati+hatj-hatk newton acts on a...

A force `2hati+hatj-hatk` newton acts on a body which is initially at rest.If the velocity of the body at the end of `20seconds` is `4hati+2hatj+2hatk ms^(-1)`, the mass of the body

A

20kg

B

15kg

C

10kg

D

5kg

Text Solution

Verified by Experts

The correct Answer is:
C
`vecFt=mvecV`
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