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A sailboat is pushed with a linear drag coefficient 104 g/m by wind blowing at a...

A sailboat is pushed with a linear drag coefficient 104 g/m by wind blowing at a speed 3.67 m/s, while being slowed by a quadratic drag with the still water of 117 g/s.

What is the cruising speed of the sailboat?
  
Science   Advanced-Physics   
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