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  1. k = F/x = 841.3/0.2458 = 3422.70 N*m E =k/2*x'^2 = 3422.70/2*0.0325^2 = 1.808 joule

    4 Answers · Science & Mathematics · 15/01/2019

  2. k Q^2 / d^2 = m g Q = sqrt( m g d^2 / k)

    1 Answers · Science & Mathematics · 01/05/2019

  3. 168ºC = 441 K (a) KE for both molecules is the same: KE = (3/2...

    1 Answers · Science & Mathematics · 15/11/2019

  4. ... from in your calculation, but if you use the Boltzmann constant k, make sure you use the mass of a molecule, not the mass of a mole, and make sure you convert...

    1 Answers · Science & Mathematics · 07/02/2019

  5. L = Lo*(1+k*ΔT) L = 120*(1+17*10^-6*(24-21)) = 120.006 mm lenght increases by 6 μm

    1 Answers · Science & Mathematics · 20/10/2019

  6. 1) stiffness k = F/x = 850N / 0.12m = 7083 N/m At x = 0.29 m, F... to the data -- you decide. 2) Same idea -- F = kx. Since k is constant, we can skip finding it and write 4.4mm / 2.3N = x...

    1 Answers · Science & Mathematics · 05/02/2019

  7. a) The force on q1 due to q3 (r=10cm = 0.1m) is: F13 = k.q1.q3/r² = 9*10^9 * (-3*10^-6) * (3*10^-6) / 0.1² = -8.1N...

    1 Answers · Science & Mathematics · 22/06/2019

  8. ... elasticPE = KE + GPE as leaves spring 1/2 k x^2 = 1/2 m v^2 + m g h 1/2(630)(0.18^2) = 1/2 (0.19) v^2 + 0.19(9.81)(0...

    1 Answers · Science & Mathematics · 03/07/2019

  9. ...force = Static frictional force kx = μ(s)N kx = μ(s)mg x = μ(s)mg/k x = 0.60*1.5*9.8/(1.2 x 10³) x = 0.00735 m or 7.35 mm The block...

    2 Answers · Science & Mathematics · 20/10/2019

  10. I remember when two waves a sin k z+ a sin k(z+dz) merge we we find a sin kz+ a sin kz cos k dz...when theta is very small, tan theta = theta. The condition k dz= kd theta= 2 n pi. You can find the angle between 2 and...

    4 Answers · Science & Mathematics · 16/06/2019

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