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 63 400 104 600 146 800 190 1000 238 1200 294 1400 354 1600 (a) What was the man's average speed (rate) between 63 s and 146 s? (Round your answer to two decimal places.)  m/s (b) What was the man's average speed between 238 s and 354 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? A. slowing down B. speeding up     C. neither

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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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
104 600
146 800
190 1000
238 1200
294 1400
354 1600
(a) What was the man's average speed (rate) between 63 s and 146 s? (Round your answer to two decimal places.)
 m/s

(b) What was the man's average speed between 238 s and 354 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?
A. slowing down
B. speeding up   
 C. neither
 
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