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Speed Conversion - Units |
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Conversion
from one unit to another is a matter of factoring out equivalent
basis units. For
example, the basis units of speed are distance and time. Typical engineering units for distance include meters,
kilometers, inches, feet, miles, etc. Typical units for time include seconds, minutes, hours,
etc. |
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Example: 30 mph is precisely 44 ft/sec. The basis units cancel; the numerical quantities simplify, leaving:
Example: If a vehicle's speed is 50 mph, it will travel approximately 75 feet in one second (50 mph x 1.5 = 75 ft/sec.). |
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Reprinted from The
Reconstructor, Newsletter of Boster, Kobayashi &
Associates. |
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