Mathematics · Acoustics
A sound wave with a speed of 340 m/s is emitted from a source. If the echo of this wave is heard after 2 seconds, what is the distance (in km) between the reflecting surface and the source?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.68 km
- 20.34 km✓
- 30.034 km
- 43.4 km
Correct answer
0.34 km
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