Quizizz Recovery: Acceleration

Multiple Choice

Acceleration: is the rate of change in

• velocity

• speed

• displacement

• direction

Multiple Choice

the unit of acceleration is

• (m/s²)

• jouls

• m

• s

Multiple Choice

A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?

• 3.5 m/s2

• 5.9 m/s2

• 10.5 m/s2

• 24 m/s2

Multiple Choice

A roller coasters accelerates from an initial speed of 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

Multiple Choice

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

Multiple Choice

A runner crossed the 1 mile marker of a race running at a speed of 9 miles per hour. She crossed the finish line running at a speed of 9.8 miles per hour. This is an example of...

• positive acceleration

• negative acceleration

• no acceleration

Multiple Choice

which isn't an example of acceleration

• When the car is speeding up.

• When the car slows down.

• When you fall off a bridge.

• no change in velocity

Multiple Choice

A positive acceleration means that your object is

• at rest

• speeding up

• moving

• slowing down

Multiple Choice

A negative acceleration means that your object is  

• constant

• speeding up

• at rest

• slowing down

Multiple Choice

Is this a speed or acceleration graph?

• speed

• acceleration

Multiple Choice

What is happening at segment A?

• no motion/object at rest

• constant speed

• deceleration

Multiple Choice

Is this a speed or acceleration graph?

• speed

• acceleration

Multiple Choice

What is happening at segment B?

• acceleration

• deceleration

• constant speed

• no motion/object at rest