Unit 2 Kinematics review

Where is the graph showing a decrease in speed?

• 0-20 seconds

• 20-30 seconds

• 30-40 seconds

• 40-50 seconds

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Mack was skating to the park. He went 1.5 mi north, west for 0.75 mi, south 3 mi, and east 1.25 mi. What is Mack's total displacement?

• 1.58 mi NW

• 2.5 mi NE

• 1.58 SE

• 1.75 SW

Which scenario or scenarios demonstrate acceleration? (Mark all that apply)

• A bicycle skidding to a stop

• A runner taking off from a stop.

• A car taking a corner at a constant speed.

• none of these

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Which position-time graph matches the velocity-time graph?

• 
• 
• 

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

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A change in velocity over time is known as:

• acceleration
• constant speed
• average speed
• displacement

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The unit we use to measure acceleration is ___. 

• meters / second 
• meters 
• seconds 
• meters / second / second 

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The speedometer on your car tells you

• average velocity
• instantaneous velocity
• average speed
• instantaneous speed

At 60 seconds, how far had this object traveled? 

• 0 m
• 10 m
• 20 m
• 40 m

What happens to the velocity of a ball as it is dropped off a cliff? 

• It decreases at a uniform rate 
• It increases at a uniform rate 
• It is constant 
• It increases at a non-uniform rate

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