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  1. ω = 2πf but T = 1/f so ω = 2π/T = √(k/m) 4π²/4.65² = k/m so  m*4π²/4.65² = k m = (129/9.81) so (129/9.81)*4π²/4.65² = k = 24 <<<<

    3 Answers · Science & Mathematics · 09/03/2020

  2. field B = k*µ₀*N*I/L where k is the relative permeability... is the length so the answer depends on your value for k. Using k = 200 and plugging in the other values, I get...

    1 Answers · Science & Mathematics · 06/03/2020

  3. Yes, use the equation for the Coulomb force: F = k*Q*q / d² so k*Q*q = F*d² and this is...

    2 Answers · Science & Mathematics · 05/03/2020

  4. A) just conservation of momentum 2.03kg * 1.30m/s = (2.03 + 1.83)kg * V V = 0.684 m/s √√√ agreed B) initial KE = ½ * 2.03kg * (1.30m/s)² = 1.72 J final KE = ½ * 3.86kg * (0.684m/s)² = 0.902 J and so the change...

    1 Answers · Science & Mathematics · 27/02/2020

  5. ... one charge and also you should have used the given value of k in the question (8.98755 × 10^9 ·m² /C²) (even though this precision ...

    1 Answers · Science & Mathematics · 09/02/2020

  6. C = k*e*A/d, where C = capacitance in Farads k = relative permittivity e...

    1 Answers · Science & Mathematics · 08/02/2020

  7. ... at a distance r is given by Vₑ = kQ/r, where k is the Coulomb constant: 8.99 × 10⁹ N·m²/C²...

    2 Answers · Science & Mathematics · 07/02/2020

  8. V = k(3µ)/0.14 = 193000 volts Potential from a charge is V = kQ/r in volts    k = 1/4πε₀ = 8.99e9 Nm²/C²    r is separation in ...

    1 Answers · Science & Mathematics · 09/02/2020

  9. ... - false  so in your format,  B, C  8d. dE = k*λ*z*dx / (z²+x²)^1.5  E = k*λ*z*∫ dx / (z²+...

    1 Answers · Science & Mathematics · 08/02/2020

  10. spring energy = work done + final KE ½kd² = µk*m*g*0.050m + ½mv² When I plug in your values I get d = 0.107 m which should be rounded to 0.11 m = 11 cm

    1 Answers · Science & Mathematics · 07/02/2020

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