Encyclopedia > Rpm

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Short for revolutions per minute, rpm is a unit for rotational speed. Gramophone or analogue disc records typically rotate with 33, 45, or 78 rpm. Aircraft motors can rotate with 8000 rpm. An automobile's motor typically makes between 1000 and 4000 rpm.

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Kings Park, New York

... $36,008 for females. The per capita income for the town is $26,906. 3.7% of the population and 2.6% of families are below the poverty line. Out of the total people living ...

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