The Definition of Energy
The ability to do work
what is the formula for GPE?
GPE = mgh
what is the formula to solve for kinetic Energy?
KE = 1/2 mv2
Energy in the form of electromagnetic Waves
Radiant Energy
what is the energy transformation in the following picture?

chemical to light
Definition of Kinetic Energy
Energy of motion
A ball is sitting at the top of a 20 meter hill. The ball weighs 5kg, what is the GPE of the ball?
980 J
What is the KE from the motion of a 5 kg object moving at 7 m/s
122.5 J
Nuclear Energy
What is the energy transformation?
chemical to mechanical
The definition of Potential Energy
Stored energy
What is the GPE of a 4.2 kg object that is 225 m above the earth's surface?
9261 J
A car with a mass of 1000 kg is traveling at a speed of 35 m/s. What is the KE from the car's motion?
551,250 J
energy stored in the bonds of atoms and molecules
chemical potential energy
what type of energy transformation occurs in the picture below?

Electrical to light
definition of Gravitational potential energy
energy that is due to the gravitational force between objects
An object has a GPE of 3245.6 J. Its height above ground is 5.25 m. What is its mass?
63.1 kg
calculate the KE of a volleyball moving 10 m/s that weighs 2.1 kg.
105 J
movement of electrical charges
electrical potential energy
what type of energy transformation occurs in the picture below?

electrical to sound
Definition of the Law of conservation of energy
energy cannot be created nor destroyed
An object has a GPE of 92455 J and has a mass of 250 kg. How high is it above ground?
37.7 m
What is the KE of a 150 kg object moving at a velocity of 100 m/s
750,000 J
energy produced by an object's vibrations
sound energy
what energy transformation occurs when a fire start
Chemical Energy to Heat Energy