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  1. ...8200/18200)^2 this goes into the spring. 1/2 kx^2 = 1/2 m v^2 x^2 = m v^2 /k x = sqrt( m v^2 / k) = sqrt( 18200*(8.3 * 8200/18200)^2 / (3.2 * 10 ^ 5) ) = 0.89 m...

    2 Answers · Science & Mathematics · 11/10/2019

  2. a. field E = σ / ε where ε = k*ε₀ so σ = Eε = 1.5e6N/C * 5*8.85e-12 C²...

    1 Answers · Science & Mathematics · 13/10/2019

  3. ...x / √(x²+y²) So, for Ey I get dEy = k*λ*dx*y / (x²+y²)^(3/2) so Ey = k*λ*y ∫ dx / (x²...

    2 Answers · Science & Mathematics · 23/09/2019

  4. ...dv/dx = -kx + 4.2 we want the point where dv/dx = 0, which is where x = 4.2 / k = 4.2 / 1100 = 0.0038 m = 0.38 cm ½mv² = 0.22 - ½...

    1 Answers · Science & Mathematics · 18/10/2019

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