Check Your Understanding

1. Mr. Smith is traveling from Houston to Dallas, Texas. It takes 4 hours to make the 224 mile trip. What is his average speed?

2. A golf ball is hit a distance of 300 yards in 10 seconds. What is the average speed of the golf ball?

3. A cyclist traveled for 4 hours at an average speed of 25 km/hr. Did the cyclist's speed change during that 4 hours? Why or why not?

4. A 55 kg student was riding his skateboard to school. He traveled 200 meters in 40 seconds. What was the student's average speed in meters/second?