If gravity is the only force present, what is the total mechanical energy of a box falling of a truck at a time when it's potential energy is 100J and it's kinetic energy is 150J?

5 answers

250 , just add
Be aware that the value of potential energy depends upon the location where you define it to be zero. That location is arbitrary.

Damon's answer is correct; I just object to the wording of the question.
100 j
250 J
u all where wrong its 1,100 j