本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 通用国际物理
[问答题]
If you are riding on a train that speeds past another train moc 5fh3wrq+ l )m/n7brbving inu 7j*o ;7( 9o.kanwexri8inn a0n2s*qqaq5 yt the same direction on an adjacent track, it appears that the othery irexiuwk qq8*n ;.aq07n57 s*( joto9n2ana train is moving backward. Why?
参考答案: Your reference frame is that of the train you are riding. If you are traveling with a relatively constant velocity (not over a hill or around a curve or drastically changing speed), then you will interpret your reference frame as being at rest. Since you are moving forward faster than the other train, the other train is moving backwards relative to you. Seeing the other train go past your window from front to rear makes it look like the other train is going backwards. This is similar to passing a semi truck on the interstate – out of a passenger window, it looks like the truck is going backwards.
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