The values of intensity at the points of interest are not given explicitly. instead you are given the values of the intensity level at those points. consturct a convenient expression for the intensity i that corresponds to an intensity level β with respect to a reference intensity i0. express your answer in terms of some or all of the variables β and i0.

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To a of 4 x hz is 1. 0. mm nm nm

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.