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Physics, 05.10.2020 15:01 muge3210

A hiker shouts toward a vertical cliff 685 m away. The echo is heard 4.00 s later. What is the speed of the sound in this air?
a 253.6 m/s
b 423.8 m/s
С .
342.5 m/s

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Answers: 2

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A hiker shouts toward a vertical cliff 685 m away. The echo is heard 4.00 s later. What is the spee...
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