around 30mn is really good but I started around 45mn.
Sub 20 for a Man and sub 25mins for a girl is a good time.
According to Google @ http://www.google.com/search?q=5km+to+miles 5km is equal to 3.10685596 miles.
5km is about 3 miles.
5km = 5000m = 500 000cm, so 1cm goes into 5km 500 000 times
Their average speed is the same, 5km/hour. Velocity takes both speed and direction into account. Hence Mia's average velocity was 5km/hour North, and Luisa's was 5km/hour South. Assuming they were in the same general region on Earth, this means their average velocities wee in opposite directions, but equal in magnitude.
25 square kms
600km is 120 times greater than 5km.
9/5km or 1 4/5km
600m:5km = 600m:5000m = 600/5000 = 3/25
5km
time = distance/speed time = 5/9.6 = 0.52 hours, about 31 minutes
3.107