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Questioning the Universe
book

Questioning the Universe

by Ahren Sadoff
December 2008
Beginner content levelBeginner
224 pages
7h 44m
English
Chapman and Hall/CRC
Content preview from Questioning the Universe
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Units and Powers of 10
1.1 UNITS
How tall are you? You could answer 5 feet 8 inches, or 68 inches, or 1.73 meters.
These are, of course, all the same heights, but the numbers are different because they
are given in different units of length. Since science, in general, and physics, in par-
ticular, deal with measurement, in either an experiment or a prediction of an experi-
mental outcome, we want to clearly de ne the units we will be using. Not only will
this be important for clarity, but it can have very important practical consequences.
Some of you may have heard that a scienti c experiment failed several years ago
because manufacturers of ...
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Publisher Resources

ISBN: 9781420082593