Question

A 5.6 g marble is fired vertically upward using a spring gun. The spring must be compressed 6.4 cm if the marble is to just reach a target 15 m above the marble's position on the compressed spring. What is the change in the gravitational potential energy of the marble-Earth system during the 15 m ascent

Answer 1

Answer: im not gonna give i to you just do 15+15=_+ 5.6+6.4 easy

Explanation: i took the test and got a 100%