University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 1 - Units, Physical Quantities, and Vectors - Problems - Discussion Questions - Page 27: Q1.4

Answer

Yes,the apparent increase in the mass of the copies of the international standard kilogram is of significant importance.

Work Step by Step

The national standard kilogram is gaining mass at an average rate of about 1micro grams per year when compared every 10 years or so to the standard international kilogram. This is of great importance because this affects the precise nature of measurement in scientific experiments. The act of measuring is the same as the act of comparing to a standard, if the standard changes then all the measurements are also affected. .
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