Question

you can hear the sound of an approaching train a long before you see if by placing you're on the metal track by

Answer 1

You can hear the sound of an approaching train a long before you see it by placing your ear on the metal because sound travels $\textbf{faster in solid }$medium as compared to any known medium.

Actually, in soild medium particles are well to vibrate each other and to carry found from one place to another.

Answer 2

Answer:

we can hear the sound of an approaching train a long before we see, if we place our ears on the railway track, then we will able to hear the sound more louder as sound travels more faster in solids.

Explanation:

basically, sound travels faster in solids. if you anything from solids it will heard by you louder.

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