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Engenharia de Energia ·

Física 3

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do por um Disco Du eq1 vem que dEx14πε0 xr²x² dqr²x²32 dEn x4πε0 dqr²x²³2 lom d q σ r d A d A 2πr dr vem dEn x4πε0 σ 2πr drr² x²³2 2 Integrandose 2 temse En dEn σx4πε0 2πr drr² x²³2 0 rR f μ r² x du 2 t dr Eₓ σ x2 ε₀ 1μ³² μ r² x² Eₓ σx2ε₀ 1x 1l²x²³2 μ x² μ r² x² En σ2ε₀ 1 xR² x²³2 3 Eₓ dEn σπ4ε₀ dum³2 m r² x² b Eₓ σx4ε₀ M12 μ R² x² μ x²