Two horizontal parallel plates are spaced 2.76 mm apart. if the pressure decreases at a rate of 1.54 kPa/m in the horizontal x direction in the fluid between the plates, what is the maximum fluid velocity in the x direction? The fluid has a dynamics viscocity of 2x10^-1 Ns/m^2 and a specific gravity of 0.89. What is the magnitude of the shearing force on the upper plate if it is 2.2 m long ( in the direction of flow) and 1.1 m wide?