An electron and a proton are fixed at a separation distance of 855 nm. Find the magnitude E and the direction of the electric field at their midpoint.

answer: cesare beccaria developed the classical school of criminology with from philosopher jeremy bentham

explanation:

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.