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A particle moves in space such that its ...

A particle moves in space such that its position vector varies as `vec(r)=2thati+3t^(2)hatj`. If mass of particle is 2 kg then angular momentum of particle about origin at `t=2` sec is

A

`48(hati+hatj)`

B

`36hatk`

C

`-34(hatk-hati)`

D

`48hatk`

Text Solution

Verified by Experts

The correct Answer is:
B
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