Exam (elaborations)
PHYS 334 Homework 1/Modern Physics 2023
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PHYS 334 Homework 1/Modern Physics 2023 1. A meter stick moving in a direction parallel to its length appears to be only 75 cm long to an observer. What is the speed of the meter stick relative to the observer? 2. How fast and in what direction must galaxy A be moving if an absorption line fou...
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