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  1. ...the two protons at the nucleus = 2*1.6*10^(-19) C E = = k*q/ (r^2) = (9*10^9) *3.2*10^(-19) / (26.5*10^(-12))^2 = 4.1*10^12 N/...

    1 Answers · Science & Mathematics · 20/02/2018

  2. ...9.8 m/s²/g a = 2.9509... a = 3.0 g's c) What spring constant, k, for full dunk 60 m below? ½kx² = mgh ½k(60 - 15...

    2 Answers · Science & Mathematics · 11/02/2018

  3. V = V1 + V2 + V3 V1 = V2 = k ∫dq / r = k ∫λ dr / r = k λ ln3 V3 = k ∫dq / R = k ∫λ dr...

    1 Answers · Science & Mathematics · 08/02/2018

  4. ...null then must be q + qa = 0 q = - qa = - 7.5 nC b) if r > b E = k (q + qa + qb) / r^2 = k qb / r^2 E = - 9x10^9*24.5x10^-9 / (18x10^-2)^2 = - 6...

    1 Answers · Science & Mathematics · 07/02/2018

  5. Precisely the same answer as yesterday: The y-component of that field, which is 1.36 x 10^3 N/C, multiplied by the area of the circle, which is pi*r^2.

    2 Answers · Science & Mathematics · 05/02/2018

  6. a)k was not affected but the measured T were ... mass, and spring constant. T² = 4π²(M+m) / k where m is the mass of the spring.

    2 Answers · Science & Mathematics · 30/01/2018

  7. ..." than linearly. After the first measurement, we expect k = 100g / 2cm Then for the second measurement a linear spring would give ...

    1 Answers · Science & Mathematics · 30/01/2018

  8. .../r² in Newtons/coulomb OR volts/meter k = 1/4πε₀ = 8.99e9 Nm²/C² 1 C = 6.242e18 ...

    1 Answers · Science & Mathematics · 28/01/2018

  9. ...total. Use a 1 C test charge at the dot. Fax = 0 Fay = k(3.35 n)/0.0228² (pointed up, therefore +) Fcx = k(1.68 n...

    1 Answers · Science & Mathematics · 30/01/2018

  10. ...θ This produces a field at P: dE = kdq/R² = kλRdθ/R² = kλdθ/R This has an x component...

    1 Answers · Science & Mathematics · 28/01/2018

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