A charged particle with a charge-to-mass ratio of 5.7x10^8 C/Kg travels in a magnetic field of strength 0.75T in a circular path that's perpendicular to the magnetic field. What is the period of revolution for this particle.
Homework Statement
A square with side lengths 2.0 cm has a charge of -1.0x10^-6 at every corner. What is the magnitude and direction of electric force on each charge?
Homework Equations
Fe=kq1q2/r^2
The Attempt at a Solution
FeNet=kq1q2/r^2...