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! Required information The dynamic viscosity of air at 20C is j = 1.80E-5 Pa.s. Estimate the viscosity of air at various temperatures by the below mentioned methods. Determine the viscosity of air at 625C by the power law. 3.96 E-5 kg/(m.s) Determine the viscosity of air at 625C by the Sutherland law. 3.86 E-5 kg/(m.s)