Wo people sit on a balanced seesaw. when one person leans toward the center of the seesaw, that person's end of the seesaw will
a. fall

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