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  1. field E = vector Σ kQ / d² where k = 8.99e9 N·m²/C² x-direction: The two charges on the...

    1 Answers · Science & Mathematics · 10/09/2019

  2. E fld = k*Q/d^2 = 9*10^9*1.50*10^-8*10^2/4 = 3.375 kV/m

    1 Answers · Science & Mathematics · 13/01/2020

  3. ...position s(t) = ∫ v(t) dt s(t) = ∫ [2sin(t) i + 2cos(t) j + t k] dt = -2cos(t) i + 2sin(t) j + ½t² k + C...] and so unit T(t) = [2sin(t) i + 2cos(t) j + t k] / √[4 + t²] d) the tangential component of the acceleration...

    1 Answers · Science & Mathematics · 29/06/2019

  4. electrostatic force F = kQq / d² where k = 8.99e9 N·m²/C² first condition: -0.119 N = 8....

    2 Answers · Science & Mathematics · 05/09/2019

  5. ...the event. from the preliminary test, we can find the spring constant k by summing forces to zero. kx - mg = 0 kx = mg...by the cord at max stretch is F = kx F = (k'/25.1)(30.4) F = (5(mg/1.65)/25.1)(30.4) F...

    4 Answers · Science & Mathematics · 07/10/2019

  6. 21ºC = 294 K Constant pressure (Charles's law) V₁/T₁ = V₂/T₂ or V₁/V₂ = T₁/T₂ 1.1/4.5 = x/294 x = 72 K = –201ºC

    1 Answers · Science & Mathematics · 13/07/2019

  7. 1) E = 1/2 k A^2 E = 0.5 * 275 * 0.058^2 = 0.46 J 2) v = w A = sqrt(k/m) A v = sqrt(275/0.582) * 0.058 = 1.26 m/s 3) a = w^2 A = (k/m) A a = (275/0.582) * 0.058 = 27.41 m/s^2

    2 Answers · Science & Mathematics · 08/08/2019

  8. x = 9x/5+32 (x-32)*5 = 9x -160 = 4x x = -40°C = 273.15-40 = 233.15 K

    4 Answers · Science & Mathematics · 15/03/2019

  9. energy = k*Q*q / d where k is some constant so adcb then dacb If you find this helpful, please award Best Answer!

    2 Answers · Science & Mathematics · 06/09/2019

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