A man is running around a circular track that is 200m in circumference. An observer
uses a stopwatch to record the runner’s time at the end of each lap, obtaining the
data in the tale below.
a. What was the man’s average speed (rate) between 68 s and 152 s?
b. What was the man average speed between 263 s and 412 s?
c. Calculate the man’s speed for each lap. Is he slowing down, speeding up or
neither?
1 answer
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