Q1. If the charge of the point charge in the figure were -2Q (instead of +Q), by what factor would the magnitude of the force on the point charge due to the dipole change?
Would the direction of the force change?
a) The force would be in the opposite direction.
b) The direction of the force would stay the same.
Q2. A baseball is seen to pass upward by a window 23m above the street with a vertical speed of 14 m/s. If the ball is thrown from the street, while will it hit street again?