Question

a body is dropped from a height a prove that the velocity of body when striking the ground is under root 2gh ​

Answer 1

Answer

Explanation:

U=0

V= Velocity at the time of striking to ground

Displacement =h

V²=U² +2aS

3rd law of Newtown motion

V²=0² +2gh. [a= g]

V²=2gh

V=(2gh)½