The construction of a flat rectangular roof (5.6 m x 6.1 m) allows it to withstand a maximum net outward force?

The construction of a flat rectangular roof (5.6 m x 6.1 m) allows it to withstand a maximum net outward force that is 21,600 N. The density of the air is 1.29 kg/m3. At what wind speed will this roof blow outward?
m/s

v = sqrt(2*lift/(area*rho)) = 31.3103618871671 m/s

One Response

  1. kirchwey Says:

    v = sqrt(2*lift/(area*rho)) = 31.3103618871671 m/s
    References :
    http://hyperphysics.phy-astr.gsu.edu/hbase/pber.html

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