You can put this solution on YOUR website! If you're going 120 feet per second how many miles will you go per hour
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120(1 ft/second)(3600 seconds/1 hr)(1 mile/5280 ft)
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= (120*3600*1)/(1*1*5280)(miles/hour)
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= (432000/5280)mph
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= 81.82 mph
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Cheers,
Stan H.