pressure

Question

The cabin pressure of a passenger jet cruising at high altitude (30,000 ft) is about 1 atm. and the pressure outside is about 0.3 atm. What is the outward force on a window measuring 1 foot by 1 foot. 

a.1,481.8 lb

b.100.3 lb

c.1,000.3 lb

d.10.3 lb

e.2,116.8 lb

 
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