4a) Two empty soda can sit on a table with 2 cm between them. If you blow hard between the two cans will the can move apart or together? Use equations (and words) to justify your answer (all points are for the correct explanation ...). Top view: 4b. A tank of water is separated by a divider. Oil (SG = 0.9) is floating on the right side (in grey). How does the pressure at B (at the bottom of the oil) compare to the pressure at A (which is the same distance from the bottom but located on the other side of the divider)? (a) Choose one of these options: (1) PA> Ps (2) Ps < PA (3) PA = Ps (4) cannot be determined (b) explain your answer. A