If a particle of mass m is moving with c...

If a particle of mass `m` is moving with constant velocity `v` parallel to `x`-axis in `x-y` plane as shown in fig. Its angular moment with respect to origin at any time `t` will be

A

`-mvbhatk`

B

zero

C

`frac(mvb)(2)hatk`

D

`mvb cos theta hatk`

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