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To completely describe the motion of an object, you need

• a. position
• b. speed
• c. direction of motion
• d. all of the above

Ben jogs with a speed of 12m/s for 4s. What distance did Jake travel?

• a. 2m
• b. 12m
• c. 32m
• d. 48m

The rate at which velocity changes describes which type of motion

• Acceleration
• Speed
• Displacement
• Velocity

Use the following picture to answer the following question. In this position-time graph, what is occurring at seconds 2s-3s?

• a. The object is traveling in a negative direction
• b. The object is at rest
• c. The object is speeding up
• d. The object is returning to the starting position

Objects that are falling toward Earth in free fall move

• a. faster and faster.
• b. slower and slower.
• c. at a constant velocity.
• d. slower then faster.

Acceleration due to gravity is also called

• a. negative velocity.
• b. displacement.
• c. free-fall acceleration.
• d. instantaneous acceleration.

The base unit used to measure velocity is the

• a. meter per second
• b. meters per second squared
• c. meters
• d. seconds

Your dog ran away from home at 1:00 this afternoon. It is now 1:30. You know that he walks with an average speed of 1 m/s. Which of the following pieces of information is most important for finding your dog?

• a. whether the dog eaten recently
• b. if the dog was chasing a squirrel
• c. which direction the dog is going
• d. whether the dog is alone

In the Velocity Time graph below, what is happening between 10min-15min

• a. The object is decelerating
• b. The object has no acceleration
• c. The object is accelerating
• d. The object disappeared