4:50 min
21 m/s
Average speed = 200 meters per 25 seconds It can also be written as 8 meters per second
he walks back
5
One hour
8 minutes
An average of 15 mph.
8minutes
about 6-7 km/hour
1.5 miles it sounds insane but that its.
The International Space Station has an average orbital speed, relative to the earth, of 27700 kilometres per hour. So the crew of the ISS could cover approx 666,000 km per day.
The "average" walking speed of man is 1 to three miles per hour. In a hundred yard dash, man can do 18 miles per hour.