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A uniform rod AB of length 7.6m and mass M= 3.8 kg is hinged at A and held in equilibrium by a light cord. A load W= 22N hangs from the rod at a distance d so that the tension in the cord is 88 N.
A) Determine the vertical force on the rod exerted by the hinge.
B) Determine the horizontal force on the rod exerted by the hinge.
C) Determine d from the appropriate torque equation.
Light from a helium-neon laser (= 633 nm) is utilized to illuminate two narrow slits. The interference pattern is observed on a screen 3.5m behind the slits. Eleven bright fringes are seen, spanning a distance of 50mm. What is the spacing (in mm) amo..
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