Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 4 - For Thought and Discussion - Page 67: 10



Work Step by Step

If the velocity was constant, they would hang vertically as they would be going the same speed that you are. However, since the plane is accelerating, you and the ring holding the keys will accelerate, but the keys will have to be "pulled" by the ring to keep with the same speed. Thus, they will lag your acceleration, causing them to be at an angle instead of being vertical.
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