1) A dog runs in a straight line for a distance of 43 m in 28 s. What is the dog's average speed?

2) A baseball rolls along a flat parking lot in a straight line at a constant speed of 3.8 m/s. How far will the baseball roll in 15 s?

3) On a windy day, a balloon's position changes as it is blown 82 m [N] away from a child in 15 s. What is the average velocity of the balloon?

4) A subway train travels at an average velocity of 22.3 km/h [W]. How long will it take for the train to undergo a displacement of 241 m [W]?

5. You are asked to calculate the speed of a jogger that runs besides you along a straight track. Describe how you would perform an experiment to calculate the required quantity.

6. Usain Bolt ran the 200 m sprint at the 2012 Olympics in London in 19.32 s. Assuming he was moving with a constant velocity, what is his speed in km/h during the race?

7. Nolan Ryan once threw a 100.9 mile/h fastball. How much time did the ball take to reach home plate 18.4 m away? (1 mile = 1.61 km)

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