Final exam review 2023

The rate at which velocity changes is called acceleration.

• True
• False

Tags

NGSS.HS-PS2-1

A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.

• True
• False

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. It's acceleration is __ m/s²?

• 0

• 6

• 12

• 18

Tags

NGSS.HS-PS2-1

In the absence of air resistance, objects fall at constant 

• speed
• velocity
• acceleration
• all of the above

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 

• 4.20 m
• 52.5 m
• 105 m
• 158 m

Tags

NGSS.MS-PS2-2

A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s², what is its velocity after 2 s?

• 0 m/s
• 0.5 m/s
• 1 m/s
• 1.5 m/s

Tags

NGSS.HS-PS2-1

How much time would it take for an object to fall 4.7 meters?

• 0.959 s
• 4.79 s
• 0.979 s

Tags

NGSS.HS-PS2-4

The rate at which velocity changes is called acceleration.

• True
• False

A unit of acceleration is meters per second.

• True
• False

Tags

NGSS.HS-PS2-1

A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.

• True
• False