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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