3. (3 points) Based on lab, why might engine oil dripping out of an oil bottle jump laterally toward engine surfaces rather than just falling like gravity would suggest? Explain clearly with complete sentences. 4. A sphere of radius R has a constant charge density p within its volume. (a) (2 points) Find E inside the sphere where r R. (c) (1 point) Do the two solutions agree at r=R, and should they