Motion

If you ride your bicycle down a straight road for 500m then turn around and ride back, your distance is _____ your displacement.

• greater than

• less than

• equal to

Motion is a change in _____.

• time

• speed

• velcoity

• position

The speed you read on a speedometer is _____.

• instantaneous speed

• constant speed

• average speed

• velocity

3m/s north is an example of a(n) _____.

• speed

• velocity

• position

• acceleration

Which is the formula for speed?

• t=s/d

• d=t/s

• s=dt

• s=d/t

The formula for acceleration is _____.

• vf-vi/t

• vi-vf/t

• d/t

• vi+vf/t

A horizontal line on a distance-time graph show

• constant speed

• not moving

• speeding up

• slowing down

A merry-go-round horse moves at a constant speed but its direction is constantly changing. What else must be changing?

• speed

• velocity

• acceleration

• inertia

A train is traveling 227km in 2 hrs. How fast is it going?

• 113.5km/h

• 454km/h

• 113.5mi/h

• 454mi/h

What is the acceleration of a car that goes from 32m/s to 96m/s in 8s?

• 8m/s

• -8m/s²

• 8m/s²

• -8m/s