Review Energy, Speed, Displacement, Velocity

Derrick is running down the hall, trying to catch up to a friend. What type of energy is being used while he is running?

• potential

• gravitational potential

• kinetic

• mechanical

Joe is standing in the hall, minding his own business, just before Derrick runs into him. What type of energy did Joe have before he was run down?

• potential

• mechanical

• gravitational potential

• kinetic

Pham and Nguyen are at the top of the Empire State Building, daring each other to jump off. They are over 1000 feet in the air. What type of energy do they have because they can fall?

• gravitational potential

• kinetic

  kinetic

• thermal

• kinetic potential

Anna and Sarah are at the skate park, riding boards on the 1/2 pipe. Their energy keeps changing back and forth between kinetic and potential energy. What type of energy includes both of these types?

• potnetic

• kintential

• mechanical

• robotical

Which term describes how fast an object changes its displacement?

• velocity
• speed
• relative motion
• movement

Moriah is driving down the interstate. A police officer zaps her with a radar gun. The officer is using Moriah's change in position over time to record what?

• her momentum

• her speed

• her potential energy

• the price of her huge ticket.

Cade is learning physics vocabulary. He knows that displacement means which of the following?

• distance 1/2 way between starting and ending points

• 2 times the speed of a nonmoving object

• his change in position

• the distance between starting and ending point

Missy is driving north. She drives 100 miles in 2 hours. What is her speed? Speed = distance ÷ time

• 5 miles per hour north

• 50 miles per hour

• 10 miles per hour south

• 50 miles per hour north

Ari goes trick-or-treating. She walks all the way around her block in 2 hours. She finally makes it home with a huge stash of candy.

What is Ari's displacement?

• 2 miles per hour

• 2 hours

• 1 block

• 0

Jacob is driving a drag racer. He covers 1000 feet in 10 seconds driving south. What is his velocity?

Velocity = displacement ÷ time

• 19 feet per second

• 100 feet per second

• 100 feet per second south

• 10 feet per second