Question

A body thrown upward reaches to a height of 100m in 5s. Find the initial velocity ( g = 10 m/s^2)
​

Answer 1

Answer:20

Explanation:

Answer 2

Answer:

Explanation:

MAXIMUM HEIGHT , S= 100 M

TIME TAKEN = 5 SEC

INITIAL VELOCITY= ?

FINAL VELOCITY = 0 M/S [ AT REACHING THE HIGHEST POINT THE BODY BECOMES MOMENTARILY AT REST]

G = - 10 M/S² [ ACTING AGAINST THE INITIAL DIRECTION OF MOTION OF THE BODY.]

WE KNOW THAT ,

V²-U²= 2AS

0 - U² = 2*-10*100

U² = √2000

U = 44.7 ≈ 45 M/S.

HOPE THIS HELPS.