A bird flying over the sea has a weight of 15 N and has a constant 765 J of gravitational potential energy. How far above the sea does the bird fly?
An apple that hangs from a tree branch 4.5 m above the ground has a weight of 1.2 N. What is the apple’s gravitational potential energy?
The quantity is the vertical displacement of an object from a given position. The quantity is the object’s gravitational potential energy. Which of the following formulas correctly shows the relationship between , , the mass of the object, and the acceleration of the object by gravity?