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  1. frequency f = 42.0 / 18.9s = 2.22 Hz and ω = 2πf = 14.0 rad/s ω² = k / m, so m = k / ω² = 21.5N/m / (14.0rad/s²) = 0.110 kg ◄ C If you find this helpful, please award Best Answer!

    1 Answers · Science & Mathematics · 30/11/2017

  2. ω = 2π / T √(k/m) = 2π / T k/m = 4π² / T² T² = 4π²m/k...

    1 Answers · Science & Mathematics · 28/11/2017

  3. Actually, this needs to be worked backwards, and you need to FINISH with conservation of momentum. friction work Wf = µmgd = 0.650 * (2600+1500)kg * 9.8m/s² * 6.00m = 156 702 J so this must have been the post-collision KE: 156 702...

    2 Answers · Science & Mathematics · 30/11/2017

  4. ...center to any corner is D = 2d = L*√3/3 Σ V = k*(qA+qB+qC) / (L√3/3) = 3k*(qA+qB+...

    1 Answers · Science & Mathematics · 28/11/2017

  5. ...find the spring compression Kinetic energy = spring energy 1/2*(m1+m2)*v^2 = 1/2*k*x^2 X = v*sprt((m1+m2)/k) = 0.28 m B) initial energy = 1/2*m1*v1i^2...

    2 Answers · Science & Mathematics · 27/11/2017

  6. wavenumber k = 2π / λ, so λ = 2π / k = 2π / 4000/cm = 1.57e-3 cm = 1.57e-5 m = 15.7 ...

    3 Answers · Science & Mathematics · 03/04/2018

  7. ...the work that is done by the spring. Work = ½ * k * 5.20^2 = k * 13.52 k * 13.52 = 4,056.855 + 30,942.912 * sin 26.4 k = (4,056.855...

    1 Answers · Science & Mathematics · 27/11/2017

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

    1 Answers · Science & Mathematics · 26/11/2017

  9. F1 = k q / (d^2 + r^2) F2 = k q / r^2 F3 .= k q / (d^2 + r^2) The... magnitude F = F2 + (F1+F3) r/(d^2+r^2)^(1/2) = k q (1/r^2 + 2 r/(d^2+r^2)^(3/2) )

    1 Answers · Science & Mathematics · 30/11/2017

  10. spring stiffness k = mg / x = 0.437kg * 9.8m/s² / 0.0100m = 428 N/m GPE ...

    1 Answers · Science & Mathematics · 25/11/2017

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