What is the magnitude of the dipole moment formed by separating a proton and an electron by 80 pm ?

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.