3.2 Speed [Must do] 1

The only unit of measurement for speed is miles per hour.

• True

• False

How do you fine average speed?

• distance divided by density

• multiply volume and mass

• distance divided by time

• time divided by density

What are the units of measurement for distance?

• kilometers, miles, meters

• seconds, minutes, and hours

• mph, km/h, m/s

• only kilometers

A biker travels 25 miles in 2 hours. What is the average speed in miles per hour?

• 50 mph

• 20 mph

• 12.5 mph

• 20 km/h

A marble is rolling down a ramp at 10 m/s. How far could the marble roll in 1 minute?

• 10 meters

• 60 meters

• 600 meters

• can not be calculated

What is the average speed of an object that travels 75 miles in 30 minutes?

• 75 mph

• 32.5 mph

• 150 mph

• 2.5 mph

How do you calculate time?

• multiply distance and speed

• distance divided by speed

• speed divided time

• divide distance and density then multiply by volume

If you travel 200 miles in 2 hours, how fast were you driving?

• 100 mph

• 400 mph

• 50 mph

• impossible to calculate

In order to solve for speed you need distance and time.

• True

• False

The correct equation to calculate speed is

• distance/time
• time/distance
• distance x time
• distance/time²