We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

Years later, the girl's family loses their wealth and finds a situation similar to that of their son-in-law's family, and at this time, their grandson is in charge of managing two families.

the inlet and outlet flows do not vary with time). The inflow and outflow are one-dimensional, so that the velocity V and density \rho are constant over the area A (figure 14). Figure 14.