The answer to “The U.S. National Institute of Standards and Technology (NIST) maintains several accurate copies of the international standard kilogram. Even after careful cleaning, these national standard kilograms are gaining mass at an average rate of about 1 µg/y (y = year) when compared every 10 years or so to the standard international kilogram. Does this apparent increase have any importance? Explain.” is broken down into a number of easy to follow steps, and 60 words. University Physics was written by and is associated to the ISBN: 9780321675460. Since the solution to 6DQ from 1 chapter was answered, more than 293 students have viewed the full step-by-step answer. This full solution covers the following key subjects: standard, National, International, kilogram, institute. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. This textbook survival guide was created for the textbook: University Physics, edition: 13. The full step-by-step solution to problem: 6DQ from chapter: 1 was answered by , our top Physics solution expert on 05/06/17, 06:07PM.