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  1. ... in the position b for a long time, the current through R becomes close to zero. TRUE, cap blocks... a long time in the position b, the current through R is E/R. TRUE initial charge on...

    1 Answers · Science & Mathematics · 13/03/2019

  2. (a) intensity = power / area of sphere = P / 4πR² R = 3e8m/s * 3600s/h * 24h/day * 365day/yr * 40.3yr = 3.81e17 m P = 4.00e28 I...

    2 Answers · Science & Mathematics · 27/02/2019

  3. ...why. eg When you close the switch would the current instantly become i = V/R or not. Why? You should have the answers to both A and...

    1 Answers · Science & Mathematics · 21/02/2019

  4. ...from -2q to C = 3 units Potential is V = kq/r. Potentials are scalars. To get total potential we simply...

    3 Answers · Science & Mathematics · 17/02/2019

  5. Uhhhhhhhh Magnetic force = centripetal force? Bvq = mv^2 / r v = rBq / m r = 5.1×10^-4 m 2. If I is "the...

    1 Answers · Science & Mathematics · 12/02/2019

  6. ...equilateral triangles. Distance of each mass to axis (centre) r = 2m. Moment of inertia of each mass = mr² = 1 * 2² = 4 ...

    5 Answers · Science & Mathematics · 28/01/2019

  7. ... gravitational force. Weight = m * g Fg = G * M * m ÷ r^2 m * g = G * M * m ÷ r^2 g = G * M ÷ r^2 G...

    1 Answers · Science & Mathematics · 22/12/2018

  8. ...’s diagonal, d = √(0.500² + 0.500²) The distance (r) from any corner-charge to the centre point is half the diagonal. We...

    2 Answers · Science & Mathematics · 16/01/2019

  9. Ktrans = 1/2 m v^2 Krot = 1/5 m R^2 w^2 Pure rolling => w = v/R Krot = 1/5 m v^2 Ktrans/Krot = 1/2 / (1/5) = 5/2 = 2.5, independent of the speed. => Answer E.

    2 Answers · Science & Mathematics · 17/11/2018

  10. ...ω₂ (you did ask for how, not for the solution) ω = V/r ω is angular velocity in radians/sec 1 radian/sec = 9.55 rev...

    3 Answers · Science & Mathematics · 14/11/2018

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