Motion Grade 9

A distance-time graph shows an object's _______.

• frame of reference

• speed

• acceleration

The graph shows Ashley riding her bike to Maria's house.

What is occurring from point A to point B?

• She is traveling at a constant speed.

• She stopped to take a break.

• She is moving with decreasing speed.

The graph shows Ashley riding her bike to Maria's house.

What was her average speed for the ENTIRE trip?

• 1600 m/min

• 200 m/min

• 160 m/min

Which runner won the race?

• A

• B

• C

Which graph represents the greatest acceleration?

• A

• B

• C

• D

Which graph represents zero acceleration (constant velocity)?

• A

• B

• C

• D

According to the graph, how far does the person travel in the first 5 seconds?

• 0

• 2 m

• 5 m

• 10 m

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?

• 40 meters, South

• 50 meters, South

• 50 meters, North

• 40 meters, North

Which of the following is an assumption taken when deriving Newton's equations of Motion?

• Displacement is constant

• Time is constant

• Speed is constant

• Acceleration is constant

The speedometer on your car tells you _______.

• average velocity

• average speed

• instantaneous velocity

• instantaneous speed