Правка раздела «Statement»
en/4.2.18.md
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| ### Statement | |||
| − | $4.2.18.$ | ||
| + | $4.2.18.$ Solve the problem [4.2.17](../4.2.17) provided that the hole of radius $r$ is overlapped by $a$ ball of radius $R$, and the density of the liquid is equal to $\rho$. | ||
| ### Solution | |||
|  | |||
| #### Answer | |||
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| m=\frac{4\pi}{3}\rho(R^2-r^2)^{3/2} | |||
| $$ | |||
| ещё строк без изменений 7 | |||
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| ### Statement | ### Statement | ||
| $4.2.18.$ |
$4.2.18.$ Solve the problem [4.2.17](../4.2.17) provided that the hole of radius $r$ is overlapped by $a$ ball of radius $R$, and the density of the liquid is equal to $\rho$. | ||
| ### Solution | ### Solution | ||
|  |  | ||
| #### Answer | #### Answer | ||
| $$ | $$ | ||
| m=\frac{4\pi}{3}\rho(R^2-r^2)^{3/2} | m=\frac{4\pi}{3}\rho(R^2-r^2)^{3/2} | ||
| $$ | $$ | ||
| ещё строк без изменений 7 | |||