A Standard Atmosphere Has a Pressure Versus Altitude Relation Approximated

question 13

Multiple Choice

A standard atmosphere has a pressure versus altitude relation approximated by

With α = 0.116 km-1.An aircraft flies at 30,000 ft but maintains a cabin pressure of that at
8000 ft.What force is exerted by air pressure on a square meter of cabin wall area?

• A)4.1 × 10⁴ N
• B)124 N
• C)3.5 × 10⁴ N
• D)7.6 × 10⁴ N

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