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phys62
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Homework Statement
The figure illustrates Michelson's setup for measuring the speed of light with the mirrors placed on Mt. San Antonio and Mt. Wilson in California, which are 35 km apart. Using a value of 3.00 x 108 m/s for the speed of light, find the minimum angular speed (in rev/s) for the rotating mirror.
Link to figure: http://edugen.wiley.com/edugen/courses/crs1507/art/qb/qu/c24/ch24f_12.gif
Homework Equations
delta t = 2d/c
The Attempt at a Solution
delta t = 2(3500)/3x10^8 = 2.33x10^-4
Now if I'm on the right track, then I'm not sure what my next step should be.. I feel like I should be dividing or multiplying by 8 since I was told the object is an octagon. Am I right??