An object takes 5 s to reach the ground from a height of 5 m on a plant. What is the value of g on the plant ?

Explanation

` s = 1/2 gt^(2) " " therefore 5m = 1/2 g xx (5 s)^(2) = 1/2 g xx 5 s xx 5s `
` g = 2/5 m//s^(2)`
= 0.4 m//s^(2) ` ( on the planet)