Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 2 - Kinematics in One Dimension - Exercises and Problems: 1


Beth arrives at 3:40 pm, while Alan arrives at 4 pm.

Work Step by Step

(distance)=(rate x time) (time)=(distance$\div$rate) For Alan, (time)=(400$\div$50)= 8 hours. 8 a.m + 8 hours = 4 P.M. For Beth, (time)=(400$\div$60) = (20$\div$3) = 6 hours and 40 minutes. 9 a.m + 6 Hours and 40 minutes = 3:40 P.M. Beth arrives first.
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