Determine the moments of inertia
Two channels are welded to a rolled W section as shown. Determine the moments of inertia and the radii of the gyration of the combined section with respect to the centroidal x and y axis.
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A 10 cubic meter particulate air sample collects 0.1 millicurie of cobalt-60 on its filter. What is the airborne radioactivity concentration? Using 10 CFR 20, if the particles are composed of cobalt oxide, how many DAC does thi
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The central order for a diffraction pattern from a rectangular aperture is measured to be 15 mm high and 5 mm wide on a screen 1 m away. If the illumination has a wavelength of 633 nm, what is the aperture's a) height? b) Width?
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John Sullivan bought a new Brunswick Boat for $17,000. He put a $2,500 down payment on it. The bank's loan was for 60 months. Finance charges totaled $4,900. His monthly payment is:
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