Acceleration Practice Problems

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

A dog slides along a waxed floor an initial speed of 7.5 cm/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?

• -0.5 m/s

• 0.5 m/s²

• -0.5 cm/s²

• 7.5 cm/s²

Tags

NGSS.MS-PS2-2

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  

You undergoing an acceleration in a car when ...? (Check all that apply)

• it speeds up

• it slows down

• it makes turns

• it is stopped, but about to once the light turns green

Tags

NGSS.MS-PS2-2

A negative acceleration means that your object is _____. 

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

Units for acceleration is

• m/s

• m/s²

• m

• s

A Ninja motorbike travelling at 55 m/s takes 5 sec to come to rest. What is its deceleration rate?

• 11 m/s²

• -11 m/s²

• -11 m/s

• 10 m/s²

A box at rest starts sliding down an inclined plane for 3 seconds, until it reaches a velocity of 27 m/s. What is the boxes acceleration?

• 30 m/s

• 24 m/s²

• 9 m/s²

• 81 km/hr

Tags

NGSS.MS-PS2-2

A horse at rest increases its velocity to 15 m/s in 10 seconds. Calculate its acceleration rate.

• 1.5 m/s²

• 2.3 m/s²

• 15 m/s²

Tags

NGSS.MS-PS2-2