A charge of 9 p0 sits at co-ordinate (-4, 1.5) cm and another charge of 12 p0 at (4, 4) cm . a) Find the distance between the two charges. Number m b) F is the force of the bigger charge on the other charge. If the force is given by F = a x + b y, give a and b respectively Number N Number N c) Is this force? 0 attractive repulsive