1.

Calculate the pressure of air at a height of 3500m from sea level where pressure and temperature of air are 10 N/cm2 and 25‚ÑÉ respectively. The temperature lapse rate is given as 0.0065 ‚ÑÉ /m. Take density of air at sea level equal to 1.2 kg/m3.$

A. 19.7 N/cm<sup>2</sup>
B. 9.85 N/cm<sup>2</sup>
C. 4.93 N/cm<sup>2</sup>
D. 6.24 N/cm<sup>2</sup>
Answer» C. 4.93 N/cm<sup>2</sup>


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