Calculating speed

A student takes 45 s to get to class from the bathroom, 90 m away. What is the speed of the student?

• 0.5 m/s
• 2 m/s
• 45 m/s
• 135 m/s

What is the speed of a jet plane, in km/hr, that flies 7200 km in 9 hours?

• 800 km/hr
• 0.00125 km/hr
• 222 km/hr
• 0.0045 km/hr

If a car travels 400 m in 20 seconds, how fast is it going?

• 0.05 m/s
• 380 m/s
• 420 m/s
• 20 m/s

A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)?

• 0.02 km/hr
• 1,800 km/hr
• 50 km/hr
• 50 km

A rocket is launched from the launch pad at a speed of 700 km/hr.  How far will the rocket have traveled after 1.0 hour?

• 699 km
• 700 km
• 350 km
• 700 hours

If a student ran 300 m in 30 seconds, what was her average speed?

• 0.10 m/s
• 10 m/s
• 270 m/s
• 100 m/s

A distance vs. time graph shows an object's

• frame of reference
• speed
• acceleration
• favorite food

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Km (kilometers) is a unit for...

• Speed
• Distance
• Time
• Direction