Suppose the horizontal velocity of the wind against a sail is 5.5 m/s parallel to its front surface and 3.3 m/s along its back surface.
v1 = 5.5 m/s
v2 = 3.3 m/s
Part (a) Calculate the approximate force on a square meter of sail in N, given that the density of air is 1.29 kg/m3.
F=