How Fast is the Wave with a 1-Second Echo?

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SUMMARY

The speed of a wave can be calculated using the formula V = D/T, where V is the speed, D is the distance, and T is the time. In this discussion, the echo is heard one second after the holler, and the distance to the canyon walls is 170 meters. Since the sound travels to the walls and back, the total distance is 340 meters. Therefore, the speed of the wave is 340 meters per second.

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if an echo is heard one second after the holler and reflects off canyon walls which are a distance of 170 meters away,then what is the speed of the wave?
 
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V = D/T

You have distance and you have time. Just plug in the numbers. Remember you will be working with 2 way distance.
 

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