Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 14 - Think and Explain: 91

Answer

Bernoulli’s principle underlies these 3 observations.

Work Step by Step

a. the pressure will be lowered where the air is moving fastest, between the car and the truck. The car and truck will be pushed toward one another by the greater outside pressures. b, c. Inside the convertible and inside the old train, atmospheric pressure is greater than the outside where air is rushing by the vehicle. The roof is pushed up, or the windows are pressed outward. This is discussed on pages 273-275.
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