Aproton is released from rest at x=5 cm. what direction does it move?

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

Me with this and you will be marked brainliest

What quantity do units represent in value