ANYONE HELP ME PLEASE! kinetic energy and potential energy are often considered to be forms of mechanical energy. list three other forms of energy and state a source for each.

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples