The following shear stress-shear rate data were obtained on a 6 wt% solution of sodium cellulose sulfate polymer in water at 24.5 °c. shear rate (s) 0.23 shear stress (pa) shear rate (s) shear stress (pa) 5.5 5.8 52 0.29 7 7.2 57 0.36 8.5 9.1 63 0.46 11.5 11 69 0.58 13 14.5 74 0.72 15 18 80 0.91 17.5 23 85 15 20.5 29 92 1.45 24 36 100 108 1.8 27.5 46 2.3 31.5 58 113 20 2.9 36 72 3.6 41 91 130 4.6 46 log-log scale plot the viscosity-shear rate function on a a. b. is there a shear rate range in which the fluid appears to be newtonian? is there a range in which the viscosity follows a power law relation? if so determine the power law constants and state what type of non-newtonian fluid it is the polymer solution is to be used in a process at a shear rate of 5000 s. estimate the viscosity under these conditions from the available data. do you think that the estimated c. d. value is reliable?