Kinetic and Potential Energy

Front

A cheetah with a mass of 47.0 kg runs at a speed of 31.0 m/s. What is the cheetah’s kinetic energy?

Back

22,584 Joules

Front

What would have the greatest kinetic energy? Options: A car driving down a hill., A person running down a hill., A ball rolling down a hill.

Back

A car driving down a hill.

Front

Which is the best example that something has kinetic energy? Options: a. a car parked on a steep hill, b. a tennis ball rolling across the court, c. a picture hanging on the wall, d. a piece of coal before it's burned

Back

a tennis ball rolling across the court

Front

Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

Back

18 J

Front

Which object has the most potential energy? Options: A ball resting on the ground, A ball being thrown at 100 miles per hour, A ball on top of a refrigerator, A ball resting on the edge of a cliff.

Back

A ball resting on the edge of a cliff.

Front

Four cars are positioned at the top of a hill. Which car has the most potential energy?

Back

B

Front

Energy stored because of gravity is called:

Back

Gravitational Potential Energy

Front

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s²

Back

9.8 Joules

Front

Gravitational potential energy of an 85 kg climber at 6267 m summit (g = 9.8N/kg)?

Back

5,220,411 J

Front

Moving a book to a lower shelf decreases its potential energy.

Back

True