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  1. The electric potential Vₑ from a charge Q at a distance r is given by Vₑ = kQ/r, where k is the ...

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

  2. For a convex mirror, f = -r/2 = -4.8cm/2 = -2.4cm 1/u + 1/v = 1/f 1/21.0 + 1/v = 1/(-2.4) 1/v = -1/21.0 – 1/2.4 = -0.4643 v = -1/0.4643 = -2.2cm Negative means behind the mirror.

    1 Answers · Science & Mathematics · 16/04/2020

  3. ...since that's the enclosed charge (per unit length, for a cylinder of radius r_i) Q2) λ = 0 (See citation, esp. pg 5. Upshot: field ...

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

  4. By the formula you provide, r = 2T / hpg = 2*0.07199kg/s² / (0.17m * 1000kg/m³ * 9.8m/s²) r = 8.6e-5 m so the diameter d = 2r = 1.7e-4 m = 0.17 mm Hope this helps!

    1 Answers · Science & Mathematics · 22/11/2019

  5. centripetal acceleration ca = V^2/r = 50.5^2/(3.6^2*2.64*10^2) = 0.7454 m/sec^2 centripetal force cF = W/g*ca = 13,622/9.81*0.7454 = 1035.0 N cF = W*μ μ = cF/W = 1035/13622 = 0.0760

    7 Answers · Science & Mathematics · 03/02/2020

  6. ...do this. You take Newton's law of gravity g2 = g * (Re / R)^2 And Newton's description of circular motion. a = w^2 R...

    6 Answers · Science & Mathematics · 27/10/2019

  7. I = (E1-E2)/(r1+r2+R) = (2-1)/(0.1+0.2+2.7) = 1/3 A V1 = E1-r1*I = 2-0.1/3 = 1.967 V V2 = E2-r2*I = 1-0.2/3 = 0.933 V

    1 Answers · Science & Mathematics · 18/09/2019

  8. capacitance C = εo*εr* A / d since εo = 8.85*10^-12 and εr = 1 (pure air in between) , then : C = 8.85*10^-12*(5.25/3.14)*10^-1 = 1.48*10^-12 ( 1.48 pF )

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

  9. ...'s all you can do in some cases. P * V = n * R * T P * V / T = n * R Since both ...

    1 Answers · Science & Mathematics · 25/11/2019

  10. Angular velocity is ω = (v/r) sin θ, in radians per (whatever time unit v is measured in...

    1 Answers · Science & Mathematics · 05/08/2019

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