See the previous question. The student decides she no longer…

See the previous question. The student decides she no longer needs to compile C code, but now needs to compile some C++ code. She installs the package g++.  She then issues a command to remove the package gcc.  The output shows that both gcc and g++ will be removed. Explain why g++ will also be removed if she proceeds to remove gcc.

Problem 2 (20 points – Fluid Kinematics). An idealized veloc…

Problem 2 (20 points – Fluid Kinematics). An idealized velocity field is given by the formula: Answer the following questions: (a) Is the flow field steady or unsteady? (b) Is the flow field two- or three-dimensional? (c) Determine the expression of the acceleration vector. (d) Compute the value of the acceleration at the point (x, y, z) = (-1, 1, 0) and at t = 2 s.

Problem 3 (20 Points – Mass Conservation). At a piping junct…

Problem 3 (20 Points – Mass Conservation). At a piping junction, a water stream at 20°C is divided as shown in Figure P.3. Water enters the inlet at section (1) with a flow rate of 20 gal/min. In section (2), the average velocity is 2.5 m/s, and in section (3), a showerhead is attached to the outlet. There are 100 holes with an equal diameter of 1 mm at the showerhead opening. Assuming uniform shower flow and circular cross-section for all the pipes, estimate the exit velocity from each hole of the showerhead jets. Consider, 1 gal = 3.79 L. Figure P.3