9-1_solutions

9-1_solutions - Two positively charged particles fixed in...

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wo positively charged particles fixed in place on an x axis. The charge are q1=1.60*10^19 C and q2=3.2*10^ 9 C. The particles are separated by R=0.0200m. What are the magnitude and direction of the electrostatic orce F12 on particle 1 from particle 2. irst let's build a diagram. This is a one imensional problem with everything ccuring on the x-axis. Please excuse my ack of artistic ability. ow recall that the Coulomb force between two charges (q and ) is given by the following equation. Also remember the sign onvention. .. like charges ("positive" force) repel and opposite harges ("negative" force) attract. ow input our variables and solve. s we said earlier, a positive result means the charges are alike and therefore that the force is repulsive. So we say that harge 1 moves away from charge 2, or that charge 1 moves to the left. The magnitude is 1.15 * 10^52 N
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n the problem above, a particle c with a charge q3 = -3.20 * 10^19 C lies on the a axis particle 1 and 2. It is 0.75R from article 1. What is the electrostatic force F on particle 1 to due particle 1 and 2?
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9-1_solutions - Two positively charged particles fixed in...

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