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  1. ... vector arithmetic. for the left charge Ex = 2µk/r² pointed right Ey = 0 for the right charge... in Newtons/coulomb OR volts/meter k = 1/4πε₀ = 8.99e9 Nm²/C²

    1 Answers · Science & Mathematics · 27/08/2019

  2. ...standard temperature and pressure R = gas constant = 286 m²/s²/K for air T = absolute temperature (273.15 K + °C) = 298.15 K...

    3 Answers · Science & Mathematics · 24/08/2019

  3. ... = QE in Newtons/coulomb OR volts/meter k = 1/4πε₀ = 8.99e9 Nm²/C² re the other problem, just use...

    2 Answers · Science & Mathematics · 23/08/2019

  4. Potential energy of the spring at max compression is kx^2 / 2. This gets turned to gravitational potential energy at the top of the incline with no friction h = kx^2 / (2mg)

    1 Answers · Science & Mathematics · 23/08/2019

  5. ... following equation is used to solve this problem. F = k * Q1 * Q2 ÷ d^2 I use 9 * 10^9 for k. The unit of the...

    2 Answers · Science & Mathematics · 16/08/2019

  6. You should post your answers so (if they are wrong) we can explain why they are wrong. 1a). Mass (m) stays the same. Volume (V) is halved. Since density = m/V, the density doubles. 1b) I don'...

    1 Answers · Science & Mathematics · 18/08/2019

  7. f = 1/(2 * π) * √(k/m) The first step is solve problem 20 to determine the spring constant... to determine the increase of the length. ∆ L = 0.15 – 0.10 = 0.05 meter k = 4 ÷ 0.05 = 80 N/m Now we can use the spring constant to calculate the...

    2 Answers · Science & Mathematics · 16/08/2019

  8. F[1,2] = F[2,3] -k * Q[1] * Q[2] / r[1,2]^2 = -k * Q[2] * Q[3] / r[2,3...

    2 Answers · Science & Mathematics · 11/08/2019

  9. 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

  10. ...data are given to 3 sig. figs, we should use the value of ‘k’ to 3 sig. figs. E1 = kq1/d² = 8.99*10^9 * 6.60*10^-9...

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

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