On her return trip, she drives half the time at 41 mph and half the time at 60 mph. What is her average speed on the return trip?

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 26P: The Shanghai maglev train connects Longyang Road to Pudong International Airport, a distance of 30...
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Julie drives 112 mi to Grandmother's house. On the way to Grandmother's house, Julie drives half the distance at 41 mph and half the distance at 60 mph. On her return trip, she drives half the time at 41 mph and half the time at 60 mph. What is her average speed on the return trip?

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