Find the ratio fa-fb of the focal lengths of the mirrors
The same object is located at the same distance from two spherical mirrors, A and B. The magnifications produced by the mirrors are mA = 4.0 and mB = 1.7. Find the ratio fA/fB of the focal lengths of the mirrors.
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If your usual weight is 180 lbs and you are in an elevator, which is going up and speeding at a rate of 8 ft/s2, what will your apparent weight be in lbs?
Crochet Company allocates overhead based on machine hours. Estimated overhead costs for the year total $390,000 and the company estimates that it will use 50,000 machine hours during the year.
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The magnifications produced by the mirrors are mA = 4.0 and mB = 1.7. Find the ratio fA/fB of the focal lengths of the mirrors.
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Consider a refracting telescope with an objective lens of focal length fobj = 1.4 m and an eyepiece with focal length feyepiece = 7 cm. What is the angular magnification of this telescope?
If the eyepiece has a magnification of 20 and the total magnification of the microscope is |m| = 110, what is the focal length of the objective lens?
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