Does motion in the horizontal (x) direction affect length

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1. Does motion in the horizontal (x) direction affect length in the y- and z-directions? ANSWER "YES" OR "NO":

2.  What were the two assumptions that Einstein used to build his theory (referencing above)?

3.  What are two of the basic outcomes of relativity theory in terms of moving lengths and clocks?

 

Reference no: EM13705553

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