Physics: Principles with Applications (7th Edition)

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

Chapter 30 - Nuclear Physics and Radioactivity - Problems - Page 881: 11

Answer

$6.0\times10^{26}$ nucleons. The composition of the object doesn't matter.

Work Step by Step

The mass of an electron is negligible compared to the mass of a nucleon. (It was calculated in problem 10 that over 99.95 percent of a hydrogen atom’s mass is in the nucleus.) One nucleon has a mass approximately equal to a proton's mass or a neutron's mass. Find the number of nucleons in a 1.0-kg object. $$N=\frac{1.0\;kg}{1.67\times10^{-27}kg/nucleon}=6.0\times10^{26}\;nucleons$$ The composition of the object doesn't affect the answer, because the mass of a nucleon is about the same for all materials.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.