A closed tank is partially filled with glycerin. If the air pressure in the tank is 6.1 lb/in.2 and the depth of glycerin is 10.7 ft, what is the pressure in lb/ft2 at the bottom of the tank

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.