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Q: The change in pitch of a train's horn as it passes while you are standing still can be explained by
A: The change in pitch of a train's horn as it passes by can be explained by the Doppler Effect. Go here for more information:
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Asked 8/9/2012 5:42:49 PM
Updated 8/9/2012 5:51:48 PM
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The change in pitch of a train's horn as it passes by can be explained by the Doppler Effect.

Go here for more information:
Added 8/9/2012 5:51:48 PM
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