How much work is required to set up the four-charge configuration of the figure if q = 1.01 pC, a = 50.0 cm, and the particles are initially infinitely far apart and at rest?
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A: m1=1.95g=0.00195Kgq1=15.0μC=15×10−6Cv1i=16m/sm2=5.25g=0.00525Kgq2=8.50μC=8.50×10−6C
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