Properties Of Solids And Liquids Question 213
Question: Air is streaming past a horizontal air plane wing such that its speed in 120 m/s over the upper surface and 90 m/s at the lower surface. If the density of air is 1.3 kg per metre3 and the wing is 10 m long and has an average width of 2 m, then the difference of the pressure on the two sides of the wing of
Options:
A)4095.0 Pascal
B)409.50 Pascal
C)40.950 Pascal
D) 4.0950 Pascal
Show Answer
Answer:
Correct Answer: A
Solution:
From the Bernoulli’s theorem
