If Pressure Inside a Cylinder with a Circular Hatch Is

question 49

Multiple Choice

If pressure inside a cylinder with a circular hatch is 2 atm and the radius of the entrance hatch is 12 inches,what force does the air exert on the hatch? Recall that the area of a circle is πr²

• A)24 lb
• B)288 lb
• C)904.8 lb
• D)1,300.6 lb
• E)13,300.6 lb

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Definitions:

Heart Valve

Structures within the heart that open and close to control the flow of blood between the chambers of the heart and into the arteries.

Floppy

Pertaining to or characteristic of a floppy disk or flexible nature; often used to describe a state of lacking rigidity.

Cardiac Arrest

An abrupt loss of heart function, breathing, and consciousness, typically resulting from an electrical disturbance in the heart.

CPR

Cardiopulmonary Resuscitation, an emergency procedure that combines chest compressions with artificial ventilation to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.