Homework 2



Homework 2: Due Friday 18 January


Chapter E1:

  1. E1R.1
Chapter E2:

  1. E2B.2
  2. E2B.4
  3. E2B.8
  4. E2S.2 Hint: Follow the hints given in the text!
  5. E2S.5 We're essentially gonna do this problem in lab, so you might want to wait until lab to do this. If you want to try it on your own, you'll need the handy approximation we discussed last lab.
Chapter E3:

  1. E3B.4
  2. E3B.5
  3. E3S.1
Bonus/Challenge Problems/Other things to try
  1. E1R.3. Good for getting a feel for what a Coulomb is.
  2. E2S.4. For the "Prove" part of the question you should use algebra. To do so, I suggest the following tips. First, you'll need to consider three cases, when the point is between the charges, when it's to the left of both charges, and when it's to the right of both charges. Treat each case separately. Also, I think it will be much easier if you set things up so that each variable is positive.
  3. E2A.2. More fun with the binomial approximation.
  4. E2R.1. A neat and useful geometric trick for calculating fields.

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