Cheryl runs a race on a circular 400.0 m track. She starts running east at the starting line and stops 20.0 m west of the starting line. Her time is 80 s. What is her average speed? 0.21 m/s -0.21 m/s 50 m/s 4.8 m/s
Cheryl runs a race on a circular 400.0 m track. She starts running east at the starting line and stops 20.0 m west of the starting line. Her time is 80 s. What is her average speed? 0.21 m/s -0.21 m/s 50 m/s 4.8 m/s
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 28P: A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km....
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Cheryl runs a race on a circular 400.0 m track. She starts running east at the starting line and stops 20.0 m west of the starting line. Her time is 80 s. What is her average speed?
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