Prob$2.$

Fig$\mathrm{.}1(2-1)$ Solve the problem given in the class $(12$th week$))=1(cm).U_0=1\frac{m}{sec,}=1k\frac{s}{m^3},=({10}^{-5k\frac{s}{m}*sec}$

Fis. $2(2-2)$ When ${}_{11}=1cm,U_0=1ls,=1k\frac{s}{m^3},={10}^{-5}k\frac{s}{m}*sec)$ Find $"h"$ by mass$-$conservation, and Find the dras $($D$)$ acting on the plate.