Question: Oil (absolute viscosity (=0.0003 mathrm{lb} cdot mathrm{s} / mathrm{ft}^{2}), density (=50) (mathrm{lbm} / mathrm{ft}^{3}) ) flows in the boundary layer, as shown in Fig. P1.82.

Oil (absolute viscosity $=0.0003 \mathrm{lb} \cdot \mathrm{s} / \mathrm{ft}^{2}$, density $=50$ $\mathrm{lbm} / \mathrm{ft}^{3}$ ) flows in the boundary layer, as shown in Fig. P1.82. The plate is $1 \mathrm{ft}$ wide perpendicular to the paper. Calculate the shear stress at the plate surface.

Figure P1.82

Edge of boundary layer 0.01 ft 1500 y 5 x 10 x

Edge of boundary layer 0.01 ft 1500 y 5 x 10 x y ft/sec Plate

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