414 Fluid MechanicsQ14.32Clap your shoe or wallet over the hole, or a seat cushion, or your hand. Anything that can sustain aforce on the order of 100 N is strong enough to cover the hole and greatly slow down the escape ofthe cabin air. You need not worry about the air rushing out instantly, or about your body being“sucked” through the hole, or about your blood boiling or your body exploding. If the cabin pressuredrops a lot, your ears will pop and the saliva in your mouth may boil—at body temperature—butyou will still have a couple of minutes to plug the hole and put on your emergency oxygen mask.Passengers who have been drinking carbonated beverages may find that the carbon dioxidesuddenly comes out of solution in their stomachs, distending their vests, making them belch, and allbut frothing from their ears; so you might warn them of this effect.SOLUTIONS TO PROBLEMSSection 14.1PressureP14.1MV==LNMOQPρπiron3kg mm786043
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