Question 84022
26 miles/hour= ------feet/second
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miles have to become feet ; hours have to become seconds

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(26 miles/hour)(5280 feet/1 mile)(1 hour/3600 seconds)
Note: (5280feet/1 mile) and (1 hour/3600 seconds) are called conversion units.
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Cancel "miles", "hour" to get:
[26*5280]/[3600]feet/second

= 38.133333 ft/sec
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Cheers,
Stan H.