suppose you are on another planet and you want to measure its acceleration of gr

Question

suppose you are on another planet and you want to measure its acceleration of gravity so you drop an object from rest. it hits the ground, traveling a distance of 0.8m in 0.5 second and then bounces back up and stops exactly where its started from !! suppose you are on another planet and you want to measure its acceleration of gravity so you drop an object from rest. it hits the ground, traveling a distance of 0.8m in 0.5 second and then bounces back up and stops exactly where its started from !! suppose you are on another planet and you want to measure its acceleration of gravity so you drop an object from rest. it hits the ground, traveling a distance of 0.8m in 0.5 second and then bounces back up and stops exactly where its started from !!

Explanation / Answer

object travels 0.8 in 0.5 sec with initial velocity 0 .

using h = ut + at^2 /2

- 0.8 = 0 - a *0.5^2 /2

a =6.4 m/s^2

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