Problem: A cannonball of mass 7.23 kg is shot from cannon at an angle of 49.01° relative to the horizontal and with an initial speed of 53.81 m/s. As the cannonball reaches the highest point of its trajectory,
Part I: What is the gain in its potential energy relative to the point from which it was shot?
I want help to find the gain in its potential energy relative to the point from which it was shot.