Introduction to Motion Answers

An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runner’s average speed? (Round your answer to the nearest tenth of a meter per second.)

Column B represents the variable to be plotted on the -axis.

In a position vs time graph, time is always plotted on the -axis.

Shelley gives her little sister a 5-meter head start in a bike race. The race ends 15 meters east from where Shelley started. If her little sister completes the race in 5 seconds, what is her sister’s average velocity? (Round your answer to the nearest whole number.)

Mikael runs with a speed of 3 m/s for 45 seconds. How far does Mikael run?

Column A represents the variable to be plotted on the -axis.

How is velocity different from speed?