1. Summarize in your own words Stokes hypothesis. 2. Why are we not able to determine the second viscosity __ for water? 3. Look at the following equation of fluid mechanics: Answer the following questions: (a) What type of equation is this mathematically? (b) What is the name of the equation? (c) State what each of the terms 1 through 4 represents. (d) What is the dimension of the terms in the equation?