You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in _________ and through the air where the speed of sound is 344 m/s in _______.
A)0.08 s
B)0.5 s
C)1.2 s
D)2.4 s

Question

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The Answer of You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in _________ and through the air where the speed of sound is 344 m/s in _______.
A)0.08 s
B)0.5 s
C)1.2 s
D)2.4 s

You Put One Ear on a Steel Railroad Track While