Which statement applies only to electric force instead of both electric and magnetic forces
It acts between objects that do not touch
It can push objects apart
It can pull objects together
it acts between a north and a south pole

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th