Work PE KE Quiz

Electrical energy is the movement of electrons. For example, electrons move through the wires of your headphones so you can listen to music. What type of energy does this represent?

• Chemical energy

• Thermal energy

• Kinetic energy

• Potential energy

Stored energy something has due to it's position above Earth's surface.

• GPE...Gravitational Potential Energy
• EPE...Elastic Potential Energy
• KE...Kinetic Energy

The SI unit for energy is _____________.

• Joules
• kg
• m/s
• s

A lump of coal has ____ energy.

• Potential
• Kinetic

When a pendulum swings, at which point is potential energy at its greatest?

• 1
• 2
• 3
• 4

Where is Potential Energy the greatest?

• A
• F
• D
• G

Where is Kinetic Energy the greatest?

• A
• F
• D
• G

Where is potential energy converting to kinetic energy

• D-G
• C-F
• A-D
• A-G

Which object has the MOST kinetic energy?

• a car traveling 25 km/h
• a car traveling at 10 km/h
• a person running at 10 km/h
• a person on a bicycle traveling at 25 km/h

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s

• 200Kg
• 20,000Kg
• 10Kg
• 200Kg