Acceleration Questions

Acceleration: is

• speed / time
• distance
• change in velocity over time 
• displacement 

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NGSS.HS-PS2-1

Acceleration only takes place when things speed up. 

• True
• False

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

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

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NGSS.HS-PS2-1

Determine the motion of the car.

• at rest 
• moving at constant speed
• speeding up
• slowing down

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Determine the motion of the car.

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

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NGSS.HS-PS2-2

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

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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

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NGSS.HS-PS2-1

The SI unit for acceleration is

• mph
• ft/sec²
• m/s²

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NGSS.HS-PS2-1

A bicyclist begins moving with a velocity of 10 m/s and then decreases his velocity to 6 m/s in 2 seconds. What is the acceleration of the bicyclist?

• 4 m/s²
• -4 m/s²
• 2 m/s²
• -2 m/s²

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NGSS.HS-PS2-1

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

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