If the area of the hand in contact with the floor is 125 cm2, what pressure is exerted on the floor? 15) Two blocks of equal volume, one iron and one aluminum, are submerged in water. Which block will experience the greater buoyant force? 16) Explain why water shoots out farther from a hose if you put your finger over the tip of the hose. 17) An ideal fluid is moving at 3.0 m/s in a section of a pipe of radius 0.20 m. If the radius in another section is 0.35 m, what is the flow speed there?