Motion Graphs, Speed

Bill jogs 400 meters to Andy's house, turns around, and runs 400 meters back home.  He does so in 267 seconds.  What is Bill's average speed?

• about 3 m/s
• about 1.5 m/s
• 0
• about 4 m/s

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min

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

• 20 m/s

• 2 m/s

• 32 m/s

It takes a freight train 2.3 seconds to move 26 meters. Calculate its average speed.

• 11.3 m/s

• 1.13 m/s

• 22 m/s

You arrive in my class 45 seconds after leaving math, which is 90 meters away, How fast did you travel?

• 3 m/s

• 2 m/s

• 4 m/s

You arrive in my class 45 seconds after leaving math, which is 90 meters away, How fast did you travel?

• 3 m/s

• 2 m/s

• 4 m/s