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.
Two metal balls carry charges of 3x10^-6 C and -6x10^-6 C. Their centers are 1 meter apart. What is the electrical force between them?
Electrical force is ______ ______.
Is the force between them attractive or repulsive? _________
- billrussell42Lv 72 months agoFavorite Answer
unlike charges attract.
F = (9e9)(3e-6)(6e-6) / (1)² = 27•6e-3 = 0.156 N
Coulomb's law, force of attraction/repulsionF = kQ₁Q₂/r²
Q₁ and Q₂ are the charges in coulombs
F is force in newtons
r is separation in meters
k = 8.99e9 Nm²/C²