acceleration QUIZ

A student practicing for a cross country meet runs 250 m in 30 s. What is her average speed?

• 8.33

• 7500

• 220

• 280

If it takes 3.5 hours for the Hogwarts Express, moving at a speed of 120 mi/hr, to make it from Platform 9 and 3⁄4 to Hogwarts, how far apart are they?

• 420

• 123.5

• 34.28

• 34.12

A car traveling 35 km/hr accelerates to a speed of 45

km/hr in 0.25 hr. What is its acceleration?

• • -40

• 320

• 40

• 1575

A jet is traveling at 80 m/s when it starts to approach

a runway. It is able to land and park in 10 s. What is its

acceleration?

• 8

• -8

• 100

• 70

A cyclist accelerates from 0 m/s to 8 m/s in 3 seconds. What is his acceleration?

• 24

• -24

• .375

• 2.67

What is the objects average speed from 0-20 seconds?

• 0.5m/s
• 10m/s
• 2m/s
• 10m

Which pair of graphs shows the same motion?

• 
• 
• 
• 

How many times does this object STOP moving?

• None
• Once
• Twice
• Three times

Object is...

• constant speed

• speeding up

• slowing down

• stopped

Reese can run 10 meters in 5 seconds. What is her speed?

• 5 meters/sec
• 2 meters/sec
• 5 miles/hour
• 2 miles/hour