College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Daryl and Cynthia leave home at 7 am, heading in opposite directions for work. Cynthia usually spends 20 minutes biking to work while Daryl needs only 30 minutes to walk to work. Cynthia's average speed is 3 miles per hour faster than Daryl's average speed. If they work 6 miles apart, what is the average speed, in miles per hour, for each person?
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