revision

A drag racer accelerated from 0 m/s to 150 m/s in 4 s.  What was the acceleration?

• 37.5 m/s2

• -37.5 m/s2

• 600 m/s2

• -600 m/s2

Mark slams on the brakes after traveling 30 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?

• 10 m/s2

• -10 m/s2

• 90 m/s2

• -90 m/s2

Falling objects drop with an average acceleration of 9.8 m/s2. If an object falls from a tall building, how long will it take before it reaches a speed of 60 m/s? 

• 6.1 s

• 588 s

• 0.16 s

• 60 s

Tim rolled a bowling ball down a lane in 3 s. The ball traveled at a constant acceleration of 1 m/s2 down the lane and was traveling at a speed of 6 m/s by the time it reached the pins at the end of the lane. How fast was the ball going when it left Tim’s hand? 

• 3 m/s

• -3 m/s

• 9 m/s

• 2 m/s

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

Which of the following represents a velocity?

• 40 m
• 40 m north
• 40 m/s
• 40 m/s north

David walks 3 km west , and then turns east and walks 4 km. What is the distance and displacement ?

• distance =7 km

  displacement =1 km east

• distance =3 km

  displacement =7km west

• distance=4 km

  displacement =1km west

• distance =7km

  displacement 1km west

In the distance vs. time graph, what type of motion does the line represent? 

• Speed
• Velocity
• Acceleration
• Deceleration

In the distance vs. time graph, what type of motion does the line represent?

• No motion
• Constant velocity
• Acceleration
• Deceleration

In the distance vs. time graph, what type of motion does the line represent?

• Acceleration
• No motion
• Deceleration
• Constant Velocity