Patrick Johnson ran 100 m in 9.93 seconds. What was his average speed in km/hr?
1 Answer
May 13, 2017
36.25 km/hr
Explanation:
100 meters in 9.93 seconds = 10.07 meters per second.
There are 3600 seconds in an hour.
10.07*3600 = 36253.78 meters per hour.
There are 1000 meters in a kilometer.
36253.78÷1000 = 36.25 kilometers per hour.
