Chapter 4 Review

When you ride a roller coaster, you eventually slow down. If the Law of Conservation of Energy is always true, what type of energy does the initial GPE turn into?

What is the potential energy of a 2 kg plant that is on a windowsill 1.3 m high? BE SURE TO INCLUDE THE CORRECT UNITS!!!

An apple has 5.88 J of energy sitting on the 3 m high counter. What is the mass of the apple? BE SURE TO INCLUDE THE CORRECT UNITS!!!

A bell hanging in a tower has 8,549.52 J of energy. If it has a mass of 20 kg, what is the height of the tower it hangs in? BE SURE TO INCLUDE THE CORRECT UNITS!!!

The a ball has a mass of 2 kg and is 5 m above the ground. What is the energy of the ball? BE SURE TO INCLUDE THE CORRECT UNITS!!!

A car has a mass of 15000 kg and is sitting in the parking lot. What is its energy? BE SURE TO INCLUDE THE CORRECT UNITS!!!

What is the kinetic energy of a 7.26 kg bowling ball that is rolling at a speed of 2 m/s? BE SURE TO INCLUDE THE CORRECT UNITS!!!

What is the kinetic energy of a volleyball being served if it has a speed of 30 m/s and a mass of 2.1 kg? BE SURE TO INCLUDE THE CORRECT UNITS!!!

What is the kinetic energy of a .5 kg toy car moving a speed of 5 m/s? BE SURE TO INCLUDE THE CORRECT UNITS!!!

What is the mass of an object that has 324 J of energy & is moving at a speed of 9 m/s? BE SURE TO INCLUDE THE CORRECT UNITS!!!