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 - Conceptual Questions - Page 62: 3

Answer

When I was at my friend's house, which is 50 ft-east away from my house, my mom called me to bring some bread before heading home. I took the bike and moved east toward the shop which is 50 ft-east of my friend's house. I moved too fast as a challenge between me and my friend to reach the shop and go back to my house just in 1 second. So in half a second, I reached the shop and then I made a quick change of direction to the west toward my house and I moved at 200 ft/s. And thank God, I won the challenge but lost the day since my mom was too angry that I did not bring her the bread.

Work Step by Step

When I was at my friend's house, which is 50 ft-east away from my house, my mom called me to bring some bread before heading home. I took the bike and moved east toward the shop which is 50 ft-east of my friend's house. I moved too fast as a challenge between me and my friend to reach the shop and go back to my house just in 1 second. So in half a second, I reached the shop and then I made a quick change of direction to the west toward my house and I moved at 200 ft/s. And thank God, I won the challenge but lost the day since my mom was too angry that I did not bring her the bread.
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