Energy in motion

How much of the total potential energy will be converted into Kinetic Energy at the lowest point of the pendulum?

• 25%

• 75%

• 100%

• 50%

How much potential energy does the swinging student have when she is her highest point?

• 25%

• 100%

• 75%

• 50%

The distance two cars are racing is measured over the course of 1 hour. Which of the following answers best describes the data?

• Both cars decreased their speeds at the same rate.

• Car 2 would have a lower line than Car 1 on a distance-time graph.

• Both cars traveled the same distance.

• Car 1 and Car 2 were traveling at the same speed between 30 and 40 minutes on the distance-time graph.

Just by looking at the graph, how many minutes will it take for the car to get to 1km?

• 12 minutes

• 10 minutes

• 14 minutes

• 11 minutes

What is the Net Force and which arrow indicates the direction the force will accelerate?

• → 75N

• ↑ 0 N

• ← 75 N

• ↓ 0 N

Sam drove to a job interview 450 miles to northern Florida and arrived on time for his appointment at 1pm. What other information would Sam need to find the average speed of his trip?

• The total distance traveled

• The number of stops made

• The time Sam left his house

• The weather conditions during the trip

How fast was the car driving at 8 seconds?

• 20 m/s

• .1 m/s

• 2 m/s

• .5 m/s

At what point on the distance graph does the graph show the object driving a constant speed?

• E

• D

• H

• F

Which of the following best describes the roller coaster’s energy as it is at the top of the roller coaster?

• Both potential and kinetic energy increases at the same time.

• The potential energy is the strongest at the top of the roller coaster.

• The potential energy decreases as the kinetic energy decreases.

• The kinetic energy stays constant while the potential energy is constantly changing.

The kinetic energy is the strongest at the top of the roller coaster.

• True

• False