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61. |||| Figure P20.610 shows four charges at the corners of a square of side L. What magnitude and sign of charge Q will mak
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- lonc f an to Net -long f = kx (+ 10x109) xq Fret = 12f = 8 x Kx loxio lyg L? F = kx (Jz l)? Kх хя 2 2² for force to be zer

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provide explanation please 61. |||| Figure P20.610 shows four charges at the corners of a square...
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