Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 1 - Exercises and Problems - Page 13: 66


Please see the work below.

Work Step by Step

We know that The number of atoms in a cell can be determined as follows $n=\frac{\frac{4}{3}\pi(\frac{D_{cell}}{2})^3}{\frac{4}{3}\pi(\frac{D_{atom}}{2})^3}$ $n=(\frac{D_{cell}}{D_{atom}})^3$ We plug in the known values to obtain: $n=\frac{10\times 10^{-6}}{0.1\times 10^{-9}}^3=(10^5)^3=10^{15}$ Thus, we can conclude that the number of atoms in a cell and the number of cells in the body are almost same.
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