SOLUTION: The force of the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. If a wind of 60 mph exerts a force of 50 lb on a surfa
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Question 1155354: The force of the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. If a wind of 60 mph exerts a force of 50 lb on a surface of one half
ftsquared, how much force will a wind of 144 mph place on a surface of 2 ftsquared?
A wind of 144 mph will place a force of
___ lb on a surface of 2 ftsquared.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
F V^2 A
F= k v^2 A
50 = k *(60^2)*1.5
50 = 5400 K
K = 5/540
F= (5/540)*(144)^2*2
384 lb
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