Question

1. An object takes 5 s to reach the grond
from a height of 5 m on a planet.
What is the value of g on the planet?
Ans: 0.4 m/s​

Answer 1

Answer:

0.4 m/s^2

Explanation:

using 2nd equation motion-

s = ut + 1/2 g t^2

(u=0)

s= 1/2 g t^2

5 = 1/2 g 25

g = 2/5 = 0.4

take care of unit of g... it is wrong in the answer you provided