The starter of a race stands at one end of a line of runners.
What is the difference between the arrival of the sound of his
pistol at the nearest runner and at the most distant runner 10
m farther away? The speed of sound in air is 343 m/s. (In a
sprint, 0.01 s can mean the difference between winning and
coming in second.)
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Ответ:
V= delta x/delta t
240km/4hours= 0.01666667 m/s