The distance from the center of a circular diffraction
The distance from the center of a circular diffraction pattern to the first dark ring is 15,000 wavelengths on a screen that is 0.85 m away. What is the size of the aperture?
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The distance from the center of a circular diffraction pattern to the first dark ring is 15,000 wavelengths on a screen that is 0.85 m away
a 300 lb block is supported by a rope that was wrapped 1 1/2 times around a horizontal rod. Knowing that the coefficient of static friction is .15 determine the range of values of P for which equilibrium is maintained
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Determine the (a) the coefficient of statics friction between the hawser and the bollard. (b) the number of times the hawser should be wrapped around the bollard if a 20000 pound force is to be resisted by the same 80 pound force
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