Правка разделов «Statement», «Solution», «Answer»
en/4.2.18.md
+5 −4
| @@ -1,12 +1,13 @@ | |||
| ### Statement | |||
| − | $4.2.18.$ [Spherical plug in the hole] | ||
| + | $4.2.18.$ The inclination of a cubic box half-immersed in liquid is equal to $\alpha$. Determine the mass of each of the two opposite edges of the box. Neglect the mass of the other parts of the box. The density of the liquid is $\rho$, the length of the ribs of the box is $a$. | ||
| ### Solution | |||
| − |  | ||
| − | |||
| − | |||
| #### Answer | |||
| + | $$ | ||
| + | m=\frac{4\pi}{3}\rho(R^2-r^2)^{3/2} | ||
| + | $$ | ||
| @@ -1,12 +1,13 @@ | |||
| ### Statement | ### Statement | ||
| $4.2.18.$ [Spherical plug in the hole] | $4.2.18.$ The inclination of a cubic box half-immersed in liquid is equal to $\alpha$. Determine the mass of each of the two opposite edges of the box. Neglect the mass of the other parts of the box. The density of the liquid is $\rho$, the length of the ribs of the box is $a$. | ||
| ### Solution | ### Solution | ||
|  | ||
| #### Answer | #### Answer | ||
| $$ | |||
| m=\frac{4\pi}{3}\rho(R^2-r^2)^{3/2} | |||
| $$ | |||