A particle is projected from a point O with velocity u in a direction making an angle alpha upward with the horizontal. At P, it is moving at right angles to its initial direction of projection. Its velocity at P will be and time of flight from O to P.
A particle is projected from a point O with velocity u in a direction making an angle alpha upward with the horizontal. At P, it is moving at right angles to its initial direction of projection. Its velocity at P will be and time of flight from O to P.










