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Unformatted text preview: Lehigh University January 17, 2010 Physics 21, Spring 2010 Home Work Assignment (1-2) Please note that solutions to the problems must be submitted on WileyPLUS ( www.wileyplus.com ). HW-1 due January 20(1 AM online) 1-1. (HRW 21-1) What must be the distance between point charge and point charge for the electrostatic force between them to have a magnitude of 5.70 N? SSM 1-2. (HRW 21-5) Of the charge Q initially on a tiny sphere, a portion q is to be transferred to a second, nearby sphere. Both spheres can be treated as particles. For what value of will the electrostatic force between the two spheres be maximized? SSM 1-3. (HRW 21-13) In Fig. 21-26a, particles 1 and 2 have charge each and are held at separation distance . (a) What is the magnitude of the electrostatic force on particle 1 due to particle 2? In Fig. 21-26b, particle 3 of charge is positioned so as to complete an equilateral triangle. (b) What is the magnitude of the net electrostatic force on particle 1 due to particles 2 and 3?net electrostatic force on particle 1 due to particles 2 and 3?...
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