Answer to Question #294454 in Physics for LUNA

Question #294454

A 5-kg box is dropped from a height of 68 m. What is the potential energy of the ball? Assuming that the reference position is the ground.

Expert's answer

Given:

$m=\rm 5\: kg$

$h=68\:\rm m$

The potential energy of the ball is given by

E_p=mgh\\ =\rm 5\:kg*9.8\: N/kg*68\: m=3332\: J

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