Motion Quiz Review #2

You walk 10 meters to math class in 20 seconds. Your average speed is

• 2 m/s
• 0.5 m/s
• 200 m/s
• 5 m/s

LT2: Grayson walks 5 meters in 5 seconds. What is his average speed? 

• 25 m/sec
• 1 m/sec
• 5 m/sec
• .25 m/sec

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

• 2.2m/s²
• 7.0m/s²
• 5.7m/s²
• 70m/s²

Tags

NGSS.MS-PS2-2

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Tags

NGSS.MS-PS2-2

Which of the following is NOT an example of acceleration?

• change in direction

• speeding up

• moving at constant speed

• slowing down

Which of the following best describes a change in velocity?

• a person on a skateboard at constant speed turns right down a street

• a person on a skateboard standing still

• a person on a skateboard moving with constant speed down a street

Which of these lines has the smallest velocity?

• A

• B

• C

• they are all the same velocity because it is constant

Which option best describes the motion of the object from t=5 to t=10?

• constant velocity

• accelerating

• not enough information

Which line represents an object moving at a slower speed?

• A
• B

Tags

CCSS.8.EE.B.5

Which runner had a head start?

• A

• B

• C