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The change in pitch of a train's horn as it passes while you are standing still can be explained by
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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You would be likely to find an article on recent fashion trends in a "Who's Who"

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Fair enough, like I said, I am just going with what I know
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debnjerry, thanks for flagging. I accept it gladly. But it could help me if I was asked to delete my answer as I am still online.
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The Weegy Team asked us not delete answers any more unless there is profanity.
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