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. Time (s) Distance (m) 31 200 63 400 96 600 139 800 183 1000 235 1200 291 1400 351 1600 (a) What was the man's average speed (rate) between 63 s and 139 s? (Round your answer to two decimal places.) m/s (b) What was the man's average speed between 235 s and 351 s? (Round your answer to two decimal places.) m/s (c) Calculate the man's speed for each lap. Is he slowing down, speeding up, or neither? slowing downspeeding up

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. Time (s) Distance (m) 31 200 63 400 96 600 139 800 183 1000 235 1200 291 1400 351 1600 (a) What was the man's average speed (rate) between 63 s and 139 s? (Round your answer to two decimal places.) m/s (b) What was the man's average speed between 235 s and 351 s? (Round your answer to two decimal places.) m/s (c) Calculate the man's speed for each lap. Is he slowing down, speeding up, or neither? slowing downspeeding up

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 9CQ: If you divide the total distance traveled on a car trip (as determined by the odometer) by the...

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Time (s)	Distance (m)
31	200
63	400
96	600
139	800
183	1000
235	1200
291	1400
351	1600

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