Homework Help: Physics

Posted by Anonymous on Sunday, March 4, 2012 at 9:05pm.

The force exerted by the wind on a sailboat is approximately perpendicular to the sail and proportional to the component of the wind velocity perpendicular to the sail. For the 792-kg sailboat shown in the figure below, the force exerted by the wind on the sailboat is
Fsail =
550
N
m/s
vwindorthogonal.
Water exerts a force along the keel (bottom) of the boat that prevents it from moving sideways, as shown in the figure. Once the boat starts moving forward, water also exerts a drag force backwards on the boat, opposing the forward motion. If a 16-knot wind (1 knot = 0.514 m/s) is blowing to the east, what is the initial acceleration of the sailboat?
m/s2

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