liltay12386
21.08.2019 •
Physics
Ahollow sphere of negligible mass and radius r is completely filled with a liquid so that its density is rho. you now enlarge the sphere so its radius is 2r and completely fill it with the same liquid. what is the density of the enlarged sphere?
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Ответ:
The density is still rho. It doesn't change. The density of a substance is the density of the substance. It doesn't depend on how much of it you have.
Ответ:
From those choices, the best is the third one. it relates to why the sun and almost everything else in the solar system spin in the same direction, and also why the abundance of various elements in the planets is so different from what it is in the sun.
Explanation: