A rolling operation takes place under the conditions shown in the accompanying figure. What is the position xn of the neutral point? Note that there are a front and back tension that have not been specified. Additional data are as follows: Material is 5052-O aluminum; hardened steel rolls; surface roughness of the rolls = 0.02 μm; rolling temperature = 210°C.

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R-75 mm 13 mm 5 mm V 1.5 m/s