Q. A boy on a skateboard is sliding down on a smooth incline having inclination angle θ. He throws a ball such that he catches it back after time T. The velocity with which the ball was thrown by the boy relative to himself is:
(1) V = T.g.cosθ
(2) V = T.g.cosθ
(3) V = T.g.cosθ
(4) None of these
