do m/h(5/18)= mm/s(answer)
ex: 3.6(5/18)= 1.0 mm/s
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There are 3,600 seconds in an hour (60 seconds / minute * 60 minutes / hour). There are 5,280 feet in a mile. Therefore to convert feet / second into miles per hour, multiply by 3,600 / 5,280 (0.68) So 88 feet per second is 60 miles per hour. To go the other way (convert from miles per hour to feet per second), divide by 0.68.
y miles per hour = y/60 miles per minute (60 minutes per hour) y/60 miles per minute = (y/60)/60 miles per second Take y, the number of miles traveled per hour, and divide by 3600 to get the amount of miles per second. Example: 100 miles per hour --> miles per second 100/3600 = 1/36 1/36 miles per second
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
miles... in kph??? Anyway, the speed of light is 300,000 kilometers/second; you can convert that to whatever unit you want. For example, to convert to kilometers/hour, multiply by 3600.
100 miles per hour = 100*1.609344 kilometres per hour = 160.9344 kilometres per hour = 160.9344/3600 kilometres per second = 0.0447 km per sec (approx).