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A sailboat is pushed with a linear drag coefficient 44 g/m by wind blowing at a...

A sailboat is pushed with a linear drag coefficient 44 g/m by wind blowing at a speed 2.69 m/s, while being slowed by a quadratic drag with the still water of 62 g/s.

What is the cruising speed of the sailboat?

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Answer #1

Drag force due to air using linear drag coefficient is given by

Quadratic drag with the the still water is given as = 62 g/s

So the Net drag force is

So the crussing speed of the sailboat is given by

So the cruising speed of the sailboat is 1.28 m/s

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