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? asked in Science & MathematicsPhysics · 1 month ago

Electrical force?

A repelling force of 4400 Newtons exists between a charge of -8.0 x 10^-4C and a charge of -3.0 x 10^-4C. What’s the distance between them?

1 Answer

  • oubaas
    Lv 7
    1 month ago

    4.4*10^3*d^2 = 9*10^9*8*3*10^-8

    4.4*10^3*d^2 = 216*10

    distance d = √2.16/4.4 = 0.70 m 

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