Question

3. Poinmt charges qu-oge and qy are located in vacuum at the vertices of a righ-angle tringe as shown in the figure. Given qi-3.0uC, q2 4.0uC and q3 5.0uC a. Show the forces acting at each point charge b. Find the magnitude and direction of the 92 due to the other point charges. force on the point charge q due to the charges qi and qp q1 3.0m
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SOLUtIOM ox 23 31 Ee 1 3 3 2 1 2-6 31 (3cm )2 3162 S cm)2 Force on point change Cs due to change q,1 。 F :千50M Dinecto Shouon in diagram 3 1 .n ce (Dn point change. ch du to change. ニ360시 Ko] Dinect ton: Shouon in diagramHere we use coulomb's law of electrostatic forces.

Fact: Same charge repel each other.(so all positive charges repel each other.)

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