About 20 minutes
20 seconds.
Just take the square root of 1250. The answer, of course, will be in feet.
Air cannot be measured in square feet, please re-define this for a proper answer.
3 3/4 days
1. Find height of empire state building 2. Assume average walking speed of 3mph 3. Convert mph into feet per hour (5280 ft in 1 mile) 4. Rate (ft per hour) = distance (height of building) / time (in hours) 4a. 3mph = distance / X
Assume 3mph and get 138 hours, assume 12 hours per day and get 11.5 days
Just under 21 hours.
3Mph 10 hours
By unit of length and distance and conversion ,we can say that speed=distance/time time=1250/65=19.23 hours
It all depends on your speed age and level of fitness The average human walks at 3mph, 25 miles /3 mph = 8.33 hours
20hours 50minutes plus stops for food, gas, pits, rest, etc.