Potential and Kinetic Energy #2

An old clock has a spring that must be wound to make the clock hands move. Which statement describes the energy of the spring and hands of the clock?

• The spring has kinetic energy and the hands have kinetic energy.

• The spring has kinetic energy and the hands have potential energy.

• The spring has potential energy and the hands have potential energy.

• The spring has potential energy and the hands have kinetic energy.

A skateboarder is standing at the top of a tall ramp waiting to begin a trip. The skateboarder has

• kinetic energy only

• potential energy only.

• both kinetic and potential energy.

• neither kinetic or potential energy

You get to ride a thrilling water slide as depicted in the diagram. Each letter represents a location along the ride. At which point would you have the greatest gravitational potential energy?

• A

• B

• C

• D

A car is driving down a hill. At what point will the car have zero gravitational potential energy?

• Half-way down the hill

• At the top of the hill.

• At the bottom of the hill.

• It will never have zero gravitational potential energy

Consider the roller coaster on the track. If you want to increase the kinetic energy of the roller coaster as it proceeds through the course, what is the FIRST thing you should do?

• Increase the height at point A.
• Decrease the height at point A.
• Increase the height at point B.
• Decrease the height at point B

A ball is tossed up in the air. At its peak, it stops before beginning to fall. The ball at its peak has

• kinetic energy only.
• potential energy only.
• both kinetic and potential energy.
• neither kinetic or potential energy.

A ball is projected into the air. Where is potential energy the greatest?

• A

• B

• C

• A and C

Based on the diagram of a ball rolling down hill, what statement is true?

• The ball in box C has less kinetic energy than ball in box B.

• The ball in box C has less kinetic energy than the ball in box D.

• The ball in box A has less kinetic energy than the ball in box B.

• The ball in box A has equal amounts of potential and kinetic energy.

You get to ride a thrilling water slide as depicted in the diagram. Each letter represents a location along the ride. At which point would you have the greatest kinetic energy?

• A

• C

• D

• E

A skateboarder is rolling down a tall ramp. The skateboarder will reach his maximum kinetic energy...

• as he goes back up the ramp

• halfway down the ramp

• at the bottom of the ramp

• at the top of the ramp