Review for Test

If you slow down on your bicycle, you accelerate.

• TRUE
• FALSE

Tags

NGSS.HS-PS2-1

if you ride your bicycle at a constant speed, you cannot accelerate.

• TRUE
• FALSE

Tags

NGSS.HS-PS2-1

Changing the speed and changing the direction of your bicycle are both examples of acceleration.

• TRUE
• FALSE

Tags

NGSS.HS-PS2-1

An airplane traveling from San Francisco to Chicago travels 1,260 km in 3.5 h. What is the airplaine's avearge speed?

• 36 km/h
• 360 km/h
• 4,410 km/h

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

CCSS.8.EE.C.7B

A car accelerates from 15 m/s to 60 m/s in 30 seconds.  What is its acceleration?

• 2 m/s2
• 3 m/s2
• 1.5 m/s2
• 0.75 m/s2

Tags

CCSS.8.EE.C.7B

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity 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.MS-PS2-2

Describe the speed of the object from 4-6 seconds using the distance vs. time graph.

• Increasing speed
• Decreasing speed
• Not moving
• Constant speed

Tags

CCSS.HSF.IF.B.4

Describe the speed of the object from
0-2 seconds using the distance vs. time graph.

• Constant speed
• Speeding up
• Slowing down
• Not moving

Tags

NGSS.MS-PS3-1

What is the object doing from 10-12.5 seconds?

• Slowing down 
• Returning to the starting position
• Speeding up
• Not moving

Tags

NGSS.MS-PS3-1