4.4N| |0.029C150 N CFmgqEE====, or 0.029 C.q=−(b) The feasibility of this experiment may be studied by using Eq. 22-3 (using kfor 1/4πε0). We have 2||/Ekqr=with 3sulfursphere43rmρ⎛⎞π=⎜⎟⎝⎠Since the mass of the sphere is 4.4/9.8 ≈0.45 kg and the density of sulfur is about 2.1 ×103kg/m3(see Appendix F), then we obtain 13sphere112sulfur30.037m2 10 N C4mqrEkr⇒=≈×πwhich is much too large a field to maintain in air.
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This note was uploaded on 07/10/2010 for the course PH 213 taught by Professor Jg during the Fall '10 term at The Petroleum Institute.