A particle is projected from a point with velocity at an angle to the horizontal

PHYSICS · Multi correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A particle is projected from a point

P

with velocity

v

at an angle

\theta

to the horizontal. At a point

Q

, it moves at right angles to its initial direction. Then: (1) The velocity of the particle at

Q

v\sin\theta

. (2) The velocity of the particle at

Q

v\cot\theta

. (3) The time of flight from

P

Q

\frac{v}{g}\csc\theta

. (4) The time of flight from

P

Q

\frac{v}{g}\sec\theta