+1 vote
9 views
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?
in Chapter 1: Gravitation by (5.4k points)
reopened by | 9 views

1 Answer

+1 vote
Best answer

Given : Time= 5s , Height=5m

To find : Gravitational acceleration 

Formula: \(S=ut+\tfrac{1}{2}gt^2\) 

steps: 

by formula

\(5=0\times t+\tfrac{1}{2}g(5)^2\)

\(5=\tfrac{1}{2}g\times25\)

\(\therefore g=\tfrac{2}{5}\)

\(\therefore g=0.4 m/s^2\)

Video solution from Brainiak 

 

by (5.4k points)
500 questions
477 answers
8 comments
12 users