Physics, 16.01.2021 01:40, sweetbri7p5v6tn

A sound wave travels across a 2,100-meter wide valley in 7.0 seconds. The speed of the wave is . 300 m/s
147 m/s
1.47 m/s
impossible to determine without knowing the air temperature

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A sound wave travels across a 2,100-meter wide valley in 7.0 seconds. The speed of the wave is . 30...