Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 9 - Linear Momentum and Collisions - Conceptual Questions - Page 189: 6

Answer

Yes. Place the fan at the back of the boat, facing away from the boat.

Work Step by Step

Placing the fan at the back of the boat, facing away from the boat, the fan will be removing particles of air from the system at some speed. The remaining system (boat without the expelled air) will have momentum equal to the momentum of the air that was expelled, meaning that the boat will have speed in the opposite direction (the boat moves forward).
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