About 365.5 meters a minute.
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
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.
Since two runners finished in 80 seconds, the average of 80, 80, 72, and 68 must be found. This average is ? seconds. ANS IS 75No it is 73.333333 actually It's 75 even. Add all Four times Divide by four and you have you average.
15km/hour
About 15 to 20 minutes.