Calculate lenght and exit velocity of the final slab

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A 2.0-in-thick slab is 10.0 in wide and 12.0 ft long. Thickness is to be reduced in three steps in a hot rolling operation. Each step will reduce the slab to 75% of its previous thickness. It is expected that for this metal and reduction, the slab will widen by 3% in each step. The entry speed of the slab in the first step is 40 ft/min, and roll speed is the same for the three steps.

Calculate: a) lenght

b) exit velocity of the final slab

Reference no: EM13254964

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