Please could you answer 3. Question please clearly write Q3. For a closed surface defined by...
fr the falling fm . Lerive anl vcloci Pey o 42) assumin 5 usinte equatienmtion (6.5-3), niam ity, average velocity, or force on solid surfaces. tion appear, and In the integrations mentioned above, several constants of integration a the velocit stress at the boundaries of the system. The most commonly used boundae are as follows: using "boundary conditions"-that is, statements about a. At solid-fluid interfaces the fluid velocity equals the velocity with which surface is moving: this statement is applied...