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A runner travels 2 km north, then 1 km west, then 1 km north, then 3 km east. The
run took 45 minutes.
(a) What was the total path length of the run (in m)?
(b) What was the average speed of the run (in m/s)?
(c) At the end of the run, how far was the runner from the beginning (in m)?
During a 5-km race, a runner averaged 13 km per hour. What was her final time (in
If an object has a horizontal velocity of 50 m/s and horizontal acceleration is zero,
what would be the horizontal velocity after 4 s (in m/s)?
During a 400-m race, a runner crosses the 100 m mark with a velocity of 12 m/s.
What would be her final position if she maintained her velocity for another 10
seconds (in m)?
A soccer ball is rolling with a constant acceleration of -1.5 m/s2. At ti = 0 s, the
ball has an instantaneous velocity of 14 m/s. After 3s of rolling, what would be the
velocity of the ball (in m/s)?

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