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You need to know the conversion rates for both miles to feet AND hours to seconds. There are 5280 feet in a mile and 3600 seconds in an hour.
90mi/1hr (5280 ft/mi)(hr/3600 s)
You want the units to cancel out, so that's how you decide to put mi and hr in the numerator or the denominator. For miles to cancel out, it has to be in the denominator of the conversion factor and vice versa for hours. After the units cancel out, you're left with:
(90)(5280 ft)/(3600 s) = 475200 ft/3600 s = 132 ft/s
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What is 10 mile per hour measured in feet per second?
First, convert the hours to seconds:10 miles/hour x 1 hour/3600 seconds = .002777 miles/secondNext, convert the miles to feet:.002777 miles/second x 5280 feet/mile = 14.67 feet/second
Convert 176 feet second to miles hour?
Assuming the question is refering to feet PER second and miles PER hour, 176 fps = 120 mph
How do you convert 40 miles per hour to ft per second?
Miles per hour x 1.467 = feet per second.
Convert 66 feet per second to miles per hour?
66 feet per second = 45 mph.
How do you Convert 325 feet per second to miles per hour?
Use this formula: feet per second x 0.6818 = miles per hour:325 ft/sec x 0.6818 = about 221.6 miles per hour
