9. [-IZPoints] I DETAILS I OBINPHY584.P.016. The depth of the Pacific Ocean in the Mariana Trench is 36,198 ft. What is the gauge pressure at this depth? :1 psi Need Help? _ 10. [-/2 Points] DETAILS OBINPHYS8 4.P.021. I MY NOTES An ebony log with volume 18.8 ft3 is submerged in water. What is the buoyant force on it (in lb)? (Enter the magnitude.) l:l lb Need Help? _' 11. [/2 Points] DETAILS OBINPHYS8 4.P.022. I MY NOTES An empty storage tank has a volume of 4,040 ft3. What is the buoyant force exerted on it by the air? (Assume the air is at 0C and 1 atm.) :lm Need Help