32. Running Speed A man is running around a circular track that is 200 m in circumference. An observer uses a stopwatch to record the runner's time at the end of each lap, obtaining the data in the following table. (a) What was the man's average speed (rate) between 68 s and 152 s? (b) What was the man's 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? Time (s) Distance (m) 32 200 68 400 108 600 152 800 203 1000 263 1200 335 1400 412 1600

Question

Running Speed A man is running around a circular track
that is 200 m in circumference. An observer uses a stopwatch
to record the runner’s time at the end of each lap, obtaining
the data in the following table.
(a) What was the man’s average speed (rate) between 68 s
and 152 s?
(b) What was the man’s 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?

32. Running Speed A man is running around a circular track
that is 200 m in circumference. An observer uses a stopwatch
to record the runner's time at the end of each lap, obtaining
the data in the following table.
(a) What was the man's average speed (rate) between 68 s
and 152 s?
(b) What was the man's 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?
Time (s)
Distance (m)
32
200
68
400
108
600
152
800
203
1000
263
1200
335
1400
412
1600
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Transcribed Image Text

32. Running Speed A man is running around a circular track that is 200 m in circumference. An observer uses a stopwatch to record the runner's time at the end of each lap, obtaining the data in the following table. (a) What was the man's average speed (rate) between 68 s and 152 s? (b) What was the man's 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? Time (s) Distance (m) 32 200 68 400 108 600 152 800 203 1000 263 1200 335 1400 412 1600