Answer Question 15 (8 points) You are with an excursion party on an exploration of the surface of Mars. You find a small lake of water of depth 1.62 m. Assume the density of fresh water is unchanged on Mars. You measure the absolute pressure at the bottom of the lake to be 54,800 Pa. What is the absolute pressure (in atm) at the surface of the lake? Assume that the value for g on Mars is 3.72 m/s2. Your Answer: 12 13 AnswerAnswer Question 14 (8 points) A wooden cube of density 276 kg/m' floats on water. The cube has equal sides of length 17 cm. You wish to completely submerge it. How much force (in N) will you need to press down on the cube with to achieve this? Your Answer. Answer tion of the su