Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 15 - Exercises and Problems - Page 281: 58


20 paperclips

Work Step by Step

We know that the balloon will lose its buoyancy when the force of gravity exceeds the force of the buoyancy of the balloon. Thus, we find: $\frac{4}{3}\pi(.14^3)(.18)g+.0016g +(6.3\times10^{-4})(n)g=\frac{4}{3}\pi(.14^3)(1.29)g \\ n =20$
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