The longest distance in a track and field event is the 10 km run. The record holder for the women's 10 km run is Wang Junxia of China. Assuming that Wang Junxia ran a distance of 10.00 km with an average speed of 5.644 m/s, what was her time? (Hint: Need to convert to the same units first.
10,000 m/(5.644 m/s) = 1771.8 s
= 29.53 minutes
= 29 minutes 32 seconds
89
1.77179305457
To find the time it took for Wang Junxia to run 10.00 km with an average speed of 5.644 m/s, we can use the formula:
Time = Distance / Speed
First, we need to convert the distance from kilometers to meters since the speed is given in meters per second. There are 1,000 meters in a kilometer, so:
Distance in meters = 10.00 km * 1,000 m/km = 10,000 meters
Now that we have the distance in meters, we can plug it into the formula:
Time = 10,000 meters / 5.644 m/s
Calculating this, we find:
Time = 1769.23 seconds
So, Wang Junxia's time for the women's 10 km run was approximately 1769.23 seconds.