Acceleration

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.HS-PS2-1

When are you undergoing an acceleration in a car? (Choose all that are correct)

• speed up

• slow down

• make turns

• constant speed

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down 

A positive acceleration means that your object is _____.

• not accelerating

• not moving

• speeding up

• slowing down

Tags

NGSS.HS-PS2-1

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

Tags

NGSS.HS-PS2-1

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.HS-PS2-1

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

• 2.2m/s²
• 7.0m/s²
• 5.7m/s²
• 70m/s²

Tags

NGSS.HS-PS2-1

What is happening during point A to B?

• not moving

• increasing speed at a constant rate

• moving at a constant speed

• moving at 10 m/s² acceleration

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

What is happening during point C to D?

• not moving

• increasing speed at a constant rate

• moving at a constant speed

• moving at 0 m/s² acceleration

Tags

CCSS.HSF.IF.B.4

Match the graph to the description:

"The car is traveling at a constant speed."

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Tags

NGSS.MS-PS3-1