how can you predict the arrival of a train by placing your car on the rail without seeing it?
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Sound of arriving train can be heard better through railway tracks rather than air, because sound waves travel 15 times faster through the metal railway tracks in comparison to air. Thus arrival of train can be predicted better from railway tracks than air.
Answered by
1
Answer:
Sound of arriving train can be heard better through railway tracks rather than air, because sound waves travel 15 times faster through the metal railway tracks in comparison to air. Thus arrival of train can be predicted better from railway tracks than air.
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