Question

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?

Answer 1

250 , just add

Answer 2

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.

Answer 3

100 j

Answer 4

250 J

Answer 5

u all where wrong its 1,100 j