题目
一架飞机20000kg有翅膀面积60平方米 上升和下降的大气压差是多少
An airplane in level flight whose mass is 20000kg has a wing area of 60m2.what is the pressure difference between the upper and lower surface of its wing?Express your answer in atmospheres.
An airplane in level flight whose mass is 20000kg has a wing area of 60m2.what is the pressure difference between the upper and lower surface of its wing?Express your answer in atmospheres.
提问时间：2020-10-13
答案
大气压强差
厶P=mg/s=2*10^4*10/60=3.333*10^3pa
厶P=mg/s=2*10^4*10/60=3.333*10^3pa
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