Q. A bag of blood with a density of 1050 kg/m^3 is raised about 1.00m higher than the level of a patient's arm. How much greater is blood pressure at the patient's arm than it would be if the bag were at the same height as the arm?
Q. A 3 gram bullet is fired horizontally into and remains in, the 16 kg block of wood suspended by a rope from the ceiling. The block swings in an arc, rising 4 mm above its lowest position. What was the initial velocity of bullet?