A person is standing on an open car moving with a constant velocity of $30\,\,m/s$ on a straight horizontal road. The man throws a ball in the vertically upward direction and it returns to the person after the car has moved $240\,\,m.$ The speed and the angle of projection
A person is standing on an open car moving with a constant velocity of $30\,\,m/s$ on a straight horizontal road. The man throws a ball in the vertically upward direction and it returns to the person after the car has moved $240\,\,m.$ The speed and the angle of projection
- A
as seen from the car is $40\,\,m/s,\,\, 90^o$
- B
as seen from the road is $50\,\,m/s,\,\,tan^{-1}\,\,(4/3)$
- C
both $(A)$ and $(B)$
- D
none
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