PHYSICS

Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20 microCoulombs that is uniformly distributed along their length. They are arranged along the same axis, with their ends 5 centimeters apart. What is the magnitude of the electrostatic force felt by each rod in Newtons?

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asked by Ramana
  1. assume all the charge is at the center on each rod. F=kQQ/distancefromcenters^2

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  2. 0,0000016

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