One-Dimensional Motion Review

A student tosses a ball upward with a velocity of 5.0 m/s. How long does the ball take to reach its maximum height?

Describe motion of C - D.

• Constant velocity away from the origin

• Slowing down away from the origin

• Slowing down away from the origin and then slowing down towards the origin

• Slowing down away from the origin and then speeding up towards from the origin

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How far did the object travel in the positive direction?

• 650 m

• 1800 m

• 1050 m

• 900 m

A car is traveling rightward at 26.8 m/s when a stoplight 30 m in the distance turns yellow and they slam on brakes to stop in time. If the car slows at a rate of 10.0 m/s² and the light will turn red in 4.0 seconds, will the driver be able to make it?

• Yes

• No

What happens to an object's motion when the velocity is positive and the acceleration is negative?

• The object slows down.
• The object speeds up.
• The object remains at a constant velocity.
• The object remains at rest.

Did the object arrive back at it's origin at 55 seconds?

• Yes

• No

A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground?

• the velocity increases

• the velocity decreases

• the velocity remain constant

A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground?

• the acceleration increases

• the acceleration decreases

• the acceleration remains constant

A Boeing 747 starts at rest and reaches a takeoff speed of 82.8 m/s at the end of a 1200 m runway. What is its acceleration? (I rounded to 1 decimal place / 2 significant figures)

A trucker drives with an average velocity of 27 m/s towards the east on a perfectly straight highway. What will the trucker's displacement be after 2 minutes?

• 97 m; east

• 190 m; east

• 1600 m; east

• 3200 m; east