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A small particle of mass mis projected a...

A small particle of mass mis projected at an angle `theta` with the x-axis with an initial velocity in the x-y plane as shown in the figure. At a time `t<(v_0 sin theta)/g, the angular momentum of the particle is
where `hai i, hat j` and `hat k` are unit vectors along x,y, and z -axis respectively.

A

`1/2 mgv_0t^2 cos theta hai i`

B

`mgv_0t^2 cos theta hat j`

C

`mgv_0 t cos theta hat k`

D

`1/2 mgv_0t^2 cos theta hai k`

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