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physics

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A -4.0UC charge is located 0.45m to the left of a +6.0uc charge. what is the magnitude and direction of the electrostatic force on the positive charge?

  • physics - ,

    F=k•(q1•q2)/r^2=9•10^9•(4•10^-6•6•10^-6)/(0.45)^2=1.067N

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