Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 7 - Linear Momentum - Questions: 10

Answer

If he had been less miserly, he could have thrown a coin horizontally. He would move in the opposite direction, with an equal and opposite momentum. This conserves the momentum of the person-coin system, which was initially zero.

Work Step by Step

He would be moving much more slowly than the thrown coin, but since the lake is frictionless, he’d eventually reach shore. Or, he could be less cheap and throw more coins to speed things up.
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