Physics, 05.05.2021 21:00, lmolder1329

The speed of sound through the ground is about 5.12 km/s while the speed of sound in air is 343 m/s. A very powerful explosion occurs some distance away and you feel the ground vibrate 55 seconds before you hear the sound of the explosion. How far away is the explosion?

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The speed of sound through the ground is about 5.12 km/s while the speed of sound in air is 343 m/s....