Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 7 - Sections 7.1-7.6 - Exercises - Problems by Topic - Page 331: 54

Answer

$\lambda=3.2\times10^{-35}\,m$ The wavelength is too small and can be considered negligible. Therefore, wave nature of matter is not significant for bullets.

Work Step by Step

Mass $m= 27\,g=0.027\,kg$ Velocity $v= 765\,m/s$ Wavelength $\lambda=\frac{h}{mv}$ $=\frac{6.626\times10^{-34}\,Js}{(0.027\,kg)(765\,m/s)}$ $=3.2\times10^{-35}\,m$ The wavelength is too small and can be considered negligible. Therefore, wave nature of matter is not significant for bullets.
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