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€ Chrome File Edit View History Bookmarks People Window Help D B 4)) 100% Sun 12:51 AM JJ5521 HW#11 Chegg.com C https:// t/web/Student/Assignment-Responses/Mast?dept www.webassign.ne 654270#Q3 EEE App A&M; Organizations TCC Miscellaneous PT WTC Hotschedules onl 4. C+ 0/1 points I Previous Answers OSColPhys1 3.020. XP My Notes C+ Ask Your Teacher 2.0 mm Hg Figure 10.33 What outward force is needed on the outside of a lung to create the pressure P noted in Figure 10.33, where P 5.00 mm Hg? Take the area affected to be 280 cm This force is easily created by the diaphragm and chest muscles, as we breathe many times a day.) 25 Additional Materials Reading 5. C+ 1/1 points I Previous Answers OSColPhys1 4.015 My Notes Ask Your Teacher earth are found in the Marianas Trench n ear the Philippines, where the depth of the bottom of the trench is about 11 km. Calculate the The greatest ocean depths on pressure due to the ocean at a depth of 9.7 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.)

Explanation / Answer

Here,

for P = -5 mm of Hg

as absolute pressure , P = 760 - 5 mm

P = 755 mm of Hg

P = 755 * 133.32 Pa

Now, force needed = Pressure * area

force needed = P*A

force needed = 755 * 133.32 * 280 *10^-4

force needed = 2818.4 N

the force needed to produce this pressure difference is 2818.4 N

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