Calculate the gravitational potential energy of an 8 kg rock placed 8 m above the ground.

A crane lifts a 10 kg crate off the ground to a height of 2 m. How much potential energy does the crate have?

Tony stands on a diving board 11 m above the surface of the water. If he has 6468 J of energy, what is his mass?

A 2.5 kg textbook is on a desk that is 70 cm high. How much potential energy does the book have?

Matthew has a mass of 65 kg, and he is standing on an observation deck looking over the city. If he has 159.25 kJ of energy, how high is the observation deck?

Maggie is flying a plane at a height of 9500 m. Her mass is 55 kg. How much potential energy does she have in joules?

Maggie is flying a plane at a height of 9500 m. Her mass is 55 kg. How much potential energy does she have in kilojoules?

Tanya has 4900 J of potential energy while standing on a diving board. If her mass is 50 kg, how high is the diving board?

Find the kinetic energy of a family car that has a mass of 980 kg when travelling at a speed of 20 m/s.