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  1. I think we can use field E = λ / 2πrε₀ to find the linear charge density 20e3 N/C = λ / (2π*0.057m*8.85e-12 C²/N·m²) λ = 6.34e-8 C/m The rod has a cross-sectional area A = πr² = π(0.057m)² = 1.02e-2 m² and so the...

    1 Answers · Science & Mathematics · 16/01/2020

  2. 9^2 + a^2 = x^2 16^2 + a^2 = y^2 x^2 + y^2 = (9 + 16)^2 (9^2 + a^2) + (16^2 + a^2) = 25^2 81 + 256 + 2a^2 = 625 337 + 2a^2 = 625 2a^2 = 625 - 337 2a^2 = 325 - 37 2a^2 = 300 - 12 2a^2 = 288 a^2 = 144 a = 12 9^2 + 12^2 = x^2 81 + 144 = x^2 225 = x^2 15 = x 16^2 + 12^2 = y^2 256 + 144 = y^2 400 = y^2 20 = y The triangle has sides of 15 and 20

    3 Answers · Science & Mathematics · 15/01/2020

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