Friday
April 25, 2014

Posts by roslin


Total # Posts: 1

calculus problem
the thin lens equation in physics is 1/s+1/S=1/f where s is the object distance from the lens,S is the image distance from the lens,and f is the focal length of the lens.Suppose that a certain lens has a focal length of 6cm and that an object is moving toward the lens at the r...

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