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4. The speed of sound in alr is about 340 meters per second. How long does it take a sound wave to travel a distance of 7800 meters?
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mrseercalf

Answer:

Approximately 22.9 seconds.

Explanation:

A sound wave travel 340m in 1 sec

For 7800m it will travel;

[tex]\frac{7800}{340} * 1[/tex] = 22.94117647 sec

It will take approximately 22.9 seconds.

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