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  1. F = k * C[1] * C[2] / r^2 https://en.wikipedia.org/wiki/Coulomb%27s_law...

    2 Answers · Science & Mathematics · 14/02/2019

  2. ...the diagram, i.e. the -z direction. So the torque is -LTcosθ k. ________________________ C) |τ₁| = 9.1*399*cos(21°) = 3390 Nm to 3 sig. figs...

    2 Answers · Science & Mathematics · 23/06/2019

  3. Use the binomial probability formula. P(X = k) = C(n, k) * p^k * q^(n - k) n : number of trials (35) k : number...

    1 Answers · Science & Mathematics · 04/02/2019

  4. ...2sin(t) i + 2cos(t) j + t k] dt = -2cos(t) i + 2sin(t) j + ½t² k + C We're told that s(2π/3) = i + 3 j - 2 k, and so i + 3 j...

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

  5. ...n - k)! k!] That would mean: C(n, n - k) = n! / [(n - (n-k))! (n - k)!] C(n, n - k) = n! / [k! (n - k)!] C(n, n - k) = n! / [(n - k)! k!] Hence...

    6 Answers · Science & Mathematics · 12/09/2019

  6. Ion-dipole .... While technically, not an intermolecular attraction, it gets included with these. Obviously, you need an ion and a dipole. A) CH3CH2CH2CH2CH3 and CH3CH2CH2CH2COOH -- no ion B) Cl– and K+ -- no dipole...

    3 Answers · Science & Mathematics · 04/05/2019

  7. x^2 - kx + 4 = 0 apply the discriminant formula a = 1 , b = - k, c = 4 b^2 - 4ac = 0 (-k)^2 - 4(1)(4) = 0 k^2 - 16 = 0 k^2 = 16 k = √(16) k = 4 answer// x^2 - 4x + 4 = 0 (x - 2)(x - 2) = 0 x = 2

    8 Answers · Science & Mathematics · 19/05/2019

  8. ... Group I elements (Li+, Na+, K+, Cs+, Rb+) are soluble . There are few exceptions...

    1 Answers · Science & Mathematics · 05/06/2019

  9. ... Group I elements (Li+, Na+, K+, Cs+, Rb+) are soluble . There are few exceptions...

    1 Answers · Science & Mathematics · 26/05/2019

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