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A sign (mass 1800kg ) hangs from the end of a vertical steel girder with a cross-sectional area of0.019m2 . Ignore the mass of the girder itself. The elastic modulus for steel is 2.0×1011N/m2.
Part A: What is the stress within the girder?
Part B: What is the strain on the girder?
Part C: If the girder is 9.40m long, how much is it lengthened?
A one kilogram textbook drops from a one-meter high table in a room at 250C temperature. Find the change in entropy after the system has reached equilibrium
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Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, that of the second is 36° from vertical, What light intensity emerges from the third filter
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A U tube is filled with water, and the two arms are capped. The tube is cylindrical, and the right arm has twice the radius of the left arm. The caps have negligible mass, are watertight, and can freely slide up and down tube.
Compute magnitude and direction of magnetic field produced by the moving belt at a point just above its surface .
A piece of a wire, with the cross-sectional area of 0.5176 mm2 and 1.80 m long, What is the resistivity of the material of the wire
A body of mass 2.65 kg moves along the x-axis, and its motion is described by the equation x = 6 sin (13 t + 2), Find the resultant force on the body at t = 0.100 s
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