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Dashulko
@Dashulko
July 2022
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радиус земного шара равен 6.4 10 в кубе. Масса земли 6.0 на 10 в 24 степени. Определить среднюю плотность.
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toft1
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V = 4пR³/3 = 4*3.14*6.4³(10⁶)³/3 = 1098·10¹⁸ = 1.098·10²¹ м³
m = 6·10²⁴ кг
ρ = m/V = 6·10²⁴/1.098·10²¹ = 5.5·10³ кг м⁻³
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V = 4пR³/3 = 4*3.14*6.4³(10⁶)³/3 = 1098·10¹⁸ = 1.098·10²¹ м³m = 6·10²⁴ кг
ρ = m/V = 6·10²⁴/1.098·10²¹ = 5.5·10³ кг м⁻³