Energy

Calculate the KE of a runner that has a mass of 80 kg and is running at a velocity of 8 m/s

• 5120 J
• 320 J
• 640 J
• 2560 J

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

When you stretch a rubber band, you are storing __________ energy. 

• gravitational potential
• elastic potential
• kinetic 
• none of the above 

At which point is potential energy greatest?

• W
• X
• Y
• Z

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• Both the potential energy and kinetic energy decrease
• The potential energy decreases while the kinetic energy increases 
• The kinetic energy decreases while the potential energy increases 
• Bothe the potential energy and kinetic energy increase 

At which point is kinetic energy greatest? 

• W
• X
• Y
• Z

if you push a cart with a force of 60 N resulting in 120 J of work.. how far did you move the cart? 

• 7200 m
• 0 m
• 2 N 
• 2 m

Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a workout. They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station. Determine the work done on the car.

• 2.35 x 10⁵ J
• 2.70 x 10⁴ J
• 3.2 x 10^-4 J
• 3.54 x 10⁵ J