Acceleration

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

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

Tags

NGSS.MS-PS3-1

Acceleration is defined as the CHANGE in 

• time it takes for one place to move to another place. 
• velocity of an object.
• distance divided by the time interval 
• velocity divided by the time interval 

Why does a car accelerate as it round a corner at a constant speed?

• Its direction changes
• It doesn't
• It slows down
• Its speeds up  

Tags

NGSS.MS-PS2-2

Acceleration only takes place when things speed up. 

• True
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

Tags

CCSS.HSN.VM.A.1

The unit we use to measure acceleration is ___. 

• meters / second 
• meters 
• seconds 
• meters / second / second 

Tags

NGSS.HS-PS2-1

Acceleration is a change in ________. 

• direction 
• speed 
• velocity 
• distance 

You are walking in a straight line at a consistent speed. Do you have acceleration? 

• no
• yes 

As you walk you make a right turn. Do you have acceleration? 

• yes 
• no

Tags

NGSS.MS-PS2-2