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8 Cards in this Set
- Front
- Back
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physics
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the study of the fundamental laws of nature and many of their applications.
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SI units
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the internationally adopted standard system of units (based on meters, kilograms, and seconds) for quantitatively measuring quantities.
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dimension of a quantity
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the fundamental type of a quantity such as length, mass, or time.
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dimensional analysis
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a type of calculation that checks the dimensional consistency of an equation.
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significant figures
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the digits in the numerical value of a quantity that are known with certainty.
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scientific notation
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a method of writing numbers that consists of a number of order unity times the appropriate power of ten.
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conversion factor
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a factor (equal to 1) that multiplies a quantity to convert its value to another unit.
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order-of-magnitude
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the power of ten characterizing the size of a quantity.
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