Answer to Question #290378 in Physics for Dre

Question #290378

A rock falls from rest a vertical distance of 1.32 meter to the surface of a planet in 0.63 second. The magnitude of the acceleration due to gravity on the planet is approximately

1
Expert's answer
2022-01-24T13:15:54-0500

Given:

h=1.32mh=1.32\:\rm m

t=0.63st=0.63\: \rm s

g?g-?


The time of free falling

t=2h/gt=\sqrt{2h/g}

Hence, the acceleration due to the gravity

g=2ht2=21.32m(0.63s)2=6.65m/s2g=\frac{2h}{t^2}=\rm\frac{2*1.32\: m}{(0.63\: s)^2}=6.65\: m/s^2


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