Phys-109 Unit 1 - Concordia University Nebraska
Phys-109 Unit 1 - Concordia University Nebraska
Phys-109 Unit 1 - Concordia University Nebraska
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<strong>Unit</strong>s of Measurement• Where did the second come from?• 1 sec = 9,192,631,770 oscillations of Cs-133 radiation• “The speed of time is one second per second.”• The MKS system vs. cgs, fps• The liter• The seven base units
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