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 isA. `12hatk`B. `48hatk`C. `36hatk`D. `24hatk`

A particle moves in space such that its position vector varies as `vec

1.	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 isA. `12hatk`B. `48hatk`C. `36hatk`D. `24hatk`
Answer» Correct Answer - B

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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 isA. `12hatk`B. `48hatk`C. `36hatk`D. `24hatk`

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