Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Physics Electrostatic?

Two spheres separated by a distance d. Each carry charges of +120 μC each. If the force between them is 0.145 N, then what is the distance between them?

1 Answer

Relevance
  • oubaas
    Lv 7
    3 weeks ago

    F =  k*Q^2/d^2

    d = Q√k/F = 1.2*10^-4*√9.0*10^9/0.145 = 0.41 m 

Still have questions? Get your answers by asking now.