Which best describes acceleration? distance over time speed in a particular direction change in velocity over time

Name the non metal condut electricity

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

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