Question

5. Solve the following examples.
a. An object takes 5 s to reach the
ground 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

Explanation:

S=ur +at^2/2

As it is free fall initial velocity=0

So

5=a.25/2

a=0.4