Reading -/1 points OSColPhys2016 11.4 P015 My Notes Ask Your Teacher The greates

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Reading -/1 points OSColPhys2016 11.4 P015 My Notes Ask Your Teacher The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines, where the depth of the bottom of the trench is about 11.0 km. Calculate the pressure due to the ocean at a depth of 9.8 km, assuming sea water density is constant all the way down. (The validity of the assumption of constant density is examined in one of the integrated concept problems.) atm Additional Materials Reading My Notes Ask Your Teacher points OSColPhys2016 11.4 WA 017 servoir dam has a vertical surface in contact with the water that is 139 m wide and 14.5 m high. Air pressure is one phere. If the reservoir is completely filled, determine the magnitude of the total force acting on this surface. (Hint: the pressure varies linearly with depth, you will need to use an average pressure.) litional Materials Reading

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Pressure due to the ocean at a depth of 9.8 km is given by

P=Po+pgh =Patm+pgh

P=(1.01325*105)+1025*9.81*9800

P=9.864*107 pa

in atm

P=9.864*107/(1.01325*105)=973.53 atm

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