Motion Exam- 1

What is the velocity in meters per second of a runner who runs exactly 100m toward the beach in 25 seconds.

• .25 m/s toward the beach

• 2.5 m/s toward the beach

• 2500 m/s toward the beach

• 4 m/s toward the beach

jonathan drove her car 250 miles east at a rate of 20 miles per hour. How long did she travel?

• .08 hrs

• 125 min

• 5000min

• 12.5 hrs

A car is traveling at a constant velocity of 20 km/h east for2hours. Choose the correct statement about the acceleration of the car.

• The acceleration of this car is negative.

• The acceleration of this car is 15 m/s

• The acceleration of this car is positive.

• The acceleration of this car is zero.

Which graph illustrates constant speed?

• A
• B
• C
• D

A horse began running due east and covered 100 km in 5.0 hr. What is the average velocity of the horse?

• 16 km/hr due east

• 20 km/hr due east

• 0.20 km/hr due east

• 100 km/hr due east

The graph represents the distance a car travels over time while on the highway. Which statement about the car's trip is accurate?

• The car does not move over time.
• The car travels at a constant velocity.
• The car's velocity increases constantly over time.
• The car's velocity decreases constantly over time.

Consider these four line graphs representing speed in meters/second, where each X-axis is labelled in seconds and each Y-axis is labelled in meters. Which line graph indicates the GREATEST speed at 5 seconds?

• 
• 
• 
• 

If C moves to position 5 (60 meters), what is its average velocity during these 5 seconds?

• 10 m/s
• 11 m/s
• 12 m/s
• 13 m/s

John and Caroline go out for a drive one day. This graph represents the distance they traveled over time. During what part of their drive are they not moving?

• They are moving the entire time.
• From 0.75 to 1.25 hours
• From 0 to 0.75 hours
• From 1.25 to 2.0 hours

Dan was walking at a rate of 4 miles/ hour at noon and at 12:30 pm he was walking at a brisk rate of 6 miles/ hour. Two hours later Tommy was walking at a leisurely rate of 2 miles/ hour. Which statement about Tommy's acceleration is true?

• Dan had an acceleration of zero the entire time.

• Dan had a positive acceleration between noon and 12:30 pm.

• Dan had a negative acceleration between noon and 12:30 pm.

• Dan had a positive acceleration between 12:30 and 2:30 pm.