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  1. ... 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

  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. ... with the spring it goes in simple harmonic motion, derive an ex(p)ression fo(r) the spring constant,k if the spring compresses a distance l (L for clarity...

    2 Answers · Science & Mathematics · 07/08/2019

  4. ...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

  5. ... and m₂ are the masses of the two objects in kg r is the distance in meters between their centers g...

    2 Answers · Science & Mathematics · 01/11/2019

  6. ...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

  7. ...use the following equation to calculate the total current. V = I * R 12 = I * 13⅓⅓ I = 0.9 amp In a parallel circuit...

    3 Answers · Science & Mathematics · 24/07/2019

  8. ...current flowing through a resistance with the equation V=IR, you determine R = V/I = 120V/7A = 17.1 Ohms resistance.

    2 Answers · Science & Mathematics · 31/10/2019

  9. ... energy between two charges, in Joules U = kQ₁Q₂/r    Q₁ and Q₂ are the charges in coulombs...

    1 Answers · Science & Mathematics · 28/11/2019

  10. ... = 1 C/s 2) resistance = voltage² / power = V²/P R = (110V)² / 1500W = 8.1 Ω Hope this ...

    1 Answers · Science & Mathematics · 18/03/2019

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