87 miles per hour = 1,531.2 feet per 12 seconds
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That's a rate of 30 miles per hour. A minute is 60 seconds. An hour is 60 minutes or 60*60=3600 seconds. The distance traveled in 1 hour is 44*3600 or 158400 feet. A mile is 5280 feet. Therefore the distance traveled in miles is 158400/5280 or 30 miles.
For this you have to work out the speed speed=distance/time therefore the speed here is 20feet/15seconds = 1.3333333m/s Now you have to work out the distance distance = speed X time the distance traveled in 3 seconds is 1.3333333m/s x 3 = 4 feet
At 31 fps, the elevator will travel 372 feet in 12 seconds.
First convert to feet per hour by converting the miles to feet by multiplying by 5280 as there are 5280 feet in a mile Now convert to feet per second by converting the hours to seconds, but as the time is on the bottom of speed = distance/time, divide by 3600 as there are 3600 seconds in an hour → 60 miles/hour = (60 × 5280) ÷ 3600 ft/s = 88 ft/s
1 mile = 5,280 feet 10 miles = 52,800 feet 10 miles per hour = 52,80 feet in 60 minutes 52,800 / 60 =880 feet in 1 minute 880 / 12 = 73.333 feet in 5 seconds