Every few years, winds in boulder, colorado, attain sustained speeds of 45.0 m/s (about 100 mph) when the jet stream descends during early spring. approximately what is the force due to the bernoulli effect on a roof having an area of 230 m2? typical air density in boulder is 1.14 kg/m3 , and the corresponding atmospheric pressure is 8.89 × 104 n/m2 . (bernoulli’s principle assumes a laminar flow. using the principle here produces only an approximate result, because there is significant turbulence.)