Quiz 1/19

A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)

• 294 J

• 180000 J

• 1225 J

• 3920000 J

What is the kinetic energy of a 1,600kg Mustang travelling at 15 m/s (33mph)

• 180000 J

• 294 J

• 1225 J

• 3920000 J

A 50kg (100lb) person is running at 7m/s (about 16 mph). How much kinetic energy do they have?

• 1225 J

• 180000 J

• 294 J

• 3920000 J

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

At which point is potential energy greatest?

• W
• X
• Y
• Z

At which point is kinetic energy greatest?

• W
• X
• Y
• Z

__________ is stored energy. 

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

A 2kg television falls from 1 meter. How much energy does it have?

• 19.6 J

• 196 J

• 2 J

• 9.8J

A car with a mass of 1000 kg is traveling at a speed of 20 m/s. What is its kinetic energy?

• 100,000 J

• 20,000 J

• 400,000 J

• 200,000 J

Kinetic energy can be calculated using the formula   KE = 1/2mv².  What is the kinetic energy of a bicycle that has a mass of 20 kg and is traveling at a velocity of 10 m/sec?  

• 10 J
• 100 J
• 1000 J
• 10,000 J