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A ball of mass 1 kg is projected with a ...

A ball of mass 1 kg is projected with a velocity of `20sqrt(2)` m/s from the origin of an xy co-ordinate axis system at an angle `45^(@)` with x-axis (horizontal). The angular momentum [In Sl units] of the ball about the point of projection after 2 s of projection is [take `g=10 m//s^(2)`] (y - axis is taken as vertical).

A

0.1 rad/s

B

0.2 rad/s

C

0.3 rad/s

D

0.4 rad/s

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-3 (Oblique projection )
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