lecture_01 - KurtRudolph/phys212 GitHub Wiki

Tue Jun 11 08:16:29 CDT 2012

Coulomb's Law:w

  • Coulomb's Law
    • [ {\overrightarrow F_{ 12}} = k \frac{ {{q_1}{q_2}}}{ {r_{ 12}^2}} {\hat r_{ 12}}]
      • [ F_{ 12} \Rightarrow ] froce by [q_1] on [q_2]

problem

Two paperclips are seperated by 10 meters. Then you remove 1 electron from each atom on the first paperclip and place it on the second one.

Which weight is closest to the approximate force between those paperclips( recall that weight [= mg, \text{g} = 9.8 \frac{ m}{ s^2}])

  • Mt. Everest [10^4 \text{kg} \times \text{g}]
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