calculate the size of two equal charges that repel each other with a force of 0.1N when situated in 50cm apart in a vacuum. what would be the size of the charge when situated in an insulating medium whose permittivity was ten times of that of a vacuum

What is friction? how does it affect the motion of an object?

The dipole moment of the water molecule (h2o) is 6.17x10^-30 c.m. consider a water molecule located at the origin whose dipole moment p points in the +x-direction. a chlorine ion ( of charge-1.60x10^-19c , is located at x=3.00x10^-9m . assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. a) find the magnitude of the electric force that the water molecule exerts on the chlorine ion. b) what is the direction of the electric force. -x-direction or +x-direction c) is this force attractive or repulsive?

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth