If I needed to run 3.125 miles(5km) in 21 minutes and how fast for same distance in 25 min??
2007-01-15 00:22:48 · 5 answers · asked by lost 1 in Science & Mathematics ➔ Mathematics
It is simple.Just divide the distance by time and you get the answer
In the first case it is 5/21 Km/min or 0.2381 km/min
In the second case it would be 5/25 or0.2 km/min
if converted to km/hr these will be14.2857 km/hr and 12 km/hr respectively
2007-01-15 00:49:33 · answer #1 · answered by alpha 7 · 0⤊ 0⤋
Speed is distance over time
Speed = 5 km / 21 min
If you need speed in hourly units, then "multiply by 1"
(for example 1 hour = 60 minutes, therefore 1 h / 60 m = 1)
Speed = (5 km / 21 min) * (60 min / 1 hour) = speed in km/hr
2007-01-15 08:27:35 · answer #2 · answered by Raymond 7 · 0⤊ 0⤋
speed=distance/time
speed=3.125/21
=0.148miles per min or 6mins43 per mile
speed=3.125/25
=0.125miles per min or 8mins per mile
2007-01-15 09:10:13 · answer #3 · answered by Just me 5 · 0⤊ 0⤋
3.125/21 = 0.1488 mi/min = 8.9 mi/h
3.125/25 = 0.125 mi/min = 7.5 mi/h
2007-01-15 08:31:29 · answer #4 · answered by keely_66 3 · 0⤊ 0⤋
a bit slower
2007-01-15 08:37:55 · answer #5 · answered by enz_91 3 · 0⤊ 0⤋