AnkitDavid1616
18.12.2020 •
Physics
a 2.80 kg mass is dropped from a height of 4.50 m. find its kinetic energy when it is 3.00m above the ground?
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Ответ:
It's not enough.
Explanation:
To be able to separate mixtures into substances we have more methods than just distillation, filtration and evaporation. Certain mixtures cannot be filtered, however by decanting can be separated simpler substances from it. Centrifugation separates solids dispersed in liquids that cannot be separated by filtration. Also, it is necessary to try to separate the substance by the method of chromatography, crystallization, etc.
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