A body is projected at an angle of to the horizontal with kinetic energy

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

Problem

A body is projected at an angle of

60^\circ

to the horizontal with kinetic energy

K

. When its velocity makes an angle of

30^\circ

to the horizontal, its kinetic energy is (1)

K/2

(2)

K/3

(3)

2K/3

(4)

3K/4