Chapter 3 Accelerated Motion

Acceleration: is the rate of change in ___________.

• speed
• distance
• velocity 
• displacement 

Tags

NGSS.HS-PS2-1

Acceleration only takes place when things speed up. 

• True
• False

Tags

NGSS.HS-PS2-1

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

Tags

NGSS.HS-PS2-1

A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?

• 0 m/s
• 40 m/s²
• -40 m/s²
• 40 m/s

Tags

NGSS.HS-PS2-1

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7m/s²
• 7m/s²
• 14m/s²
• none of the above

Tags

NGSS.HS-PS2-1

The SI unit for acceleration is

• mph
• ft/sec²
• m/s²

Tags

NGSS.HS-PS2-1

When are you undergoing an acceleration in a car?

• when you speed up

• when you slow down

• when you change directions

• All of theses

Tags

NGSS.HS-PS2-1

Which graph represents the greatest acceleration?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

Determine the motion of the car ?

• Speeding up
• slowing down
• at rest
• constant velocity

Tags

NGSS.HS-PS2-1

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1