Online Course Support | Understanding Einstein: The Special Theory of Relativity

Consider the situation in one of the video lectures where Alice was observing Bob traveling at a speed of 0.943c (and Lorentz factor 3) from Earth to a star at a distance of 5 light years from Earth. True or false: Alice observes Bob’s clock running slower than hers, and Bob observes Alice’s clocks running slower than his.

 

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