kaitlynbrace4214
12.07.2019 •
Mathematics
Problem 2.9 a runner completes the 200-meter dash with a time of 20.19 seconds. part a what was the runner's average speed in meters per second? express your answer to four significant figures. m/s
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Ответ:
Average speed = 9.91 m/s
Explanation :
Total distance covered by a runner = 200 m
Time taken to complete this distance = 20.19 sec
We need to find the average of runner speed in meter/sec
We use the speed, distance, time formula
speed =
Average speed = 9.91 m/s
that's the final answer.
I hope it will help you.
Ответ:
sorry i dont speak that language
Explanation:
sorry