he completes it in 69.9 seconds
Approx 16.17 mph.
15km/hour
10/40=.25
1 and 5/6m per seconds
400 mph
he completes it in 69.9 seconds
The average speed of the runner is 1500m/(180 + 49.67) seconds = 6.531 m/s or 13 knots.
52 minutes 8.58 seconds.
If a runner runs a mile in 4 minutes 30 seconds he is averaging 13.33 MPH over the total distance.
7
His speed equated to 917 feet per minute or 15.3 feet per second.
Assuming the runner maintains his average speed for an hour, 3 kilometres in 30 minutes is equal to 6 kilometres per hour.
Approx 16.17 mph.
126,720 of them.
15km/hour
About 15 to 20 minutes.