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19-03-2018
Physics

contestada

A friend shouts to you from the other side of a canyon. If the sound does not reach you until 4 seconds after your friend begins to shout, and the canyon is 1372 meters across, what is the speed of the sound?
A) 45 m/s
B) 343 m/s
c) 423 m/s
d) 1372 m/s

Respuesta :

OKgoogle OKgoogle

19-03-2018

Speed= meter / second
1372/4 = 343m/s
B

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