Physics: Principles with Applications (7th Edition)

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

Chapter 11 - Oscillations and Waves - Search and Learn - Page 327: 5

Answer

3000 N/m

Work Step by Step

Find the spring constant by dividing the magnitude of applied force by the displacement. My 90-kg friend sitting on the trampoline depresses it a distance of 0.3m. The trampoline’s upward force balances his weight. $$k=\frac{F}{x}=\frac{mg}{x}=\frac{(90kg)(9.80m/s^2)}{0.3 m}=3 \times 10^3 N/m$$ Your answer may vary.
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