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Posted by on Saturday, April 30, 2011 at 10:24am.

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be?
Choose one answer.
a. The length of the rod remains the same.
b. The length of the rod will become twice its original value.
c. The length of the rod will become half of the original value.
d. The length of the rod will decrease.

  • physics - , Saturday, April 30, 2011 at 11:33am

    Hmmmm. wouldn't it matter how fast the rod was traveling, especially if it were say going .4c, and you were moving .8c?

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