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)a 30-mm-thick plate made of low carbon steel is to be reduced to 25 mm in one pass in a rolling operation. as the thickness is reduced, the plate widens by 4%. yield strength of the steel = 174 mpa, and tensile strength = 450 mpa. the entrance speed of the plate = 77 m/min. roll radius = 350 mm, and rotational speed = 45 rev/min. determine (a) the minimum required coefficient of friction that would make this rolling operation possible, (b) exit velocity of the plate, and (c) forward slip.
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