Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 15 - Exercises and Problems - Page 291: 60


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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