Physics
cuteypie41
2021-04-13 02:18:57
If a train is 100 km away, how much sooner would you hear the train coming by listening to the rails (iron) as opposed to listening for it standing by the track? In other words, how much faster will the sound travel through the iron rails than through the air? Assume the air temperature is 0°C. Sound will reach you ______ seconds sooner. 302 324 280
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