Point charges of 28.0 µc and 35.0 µc are placed 0.250 m apart. (a) at what point (in m) along the line between them is the electric field zero?m away from the 28.0 µc charge (b) what (in n/c) is the electric field halfway between them? (enter the magnitude.)

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.