Question: A fishnet consists of 1-mm-diameter strings overlapped and knotted to form 1- by 1-cm squares. Estimate the drag of 1 m2 of such a net

A fishnet consists of 1-mm-diameter strings overlapped and knotted to form 1- by 1-cm squares. Estimate the drag of 1 m2 of such a net when towed normal to its plane at 3 m/s in 20°C seawater. What horsepower is required to tow 400 ft2 of this net? Fig P7.60

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For seawater at 20C take 1025 kgm3 and 000107 kgm s Neglect the knots at the nets inte... View full answer

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