The wet surface of the hull of a certain vessel can be approximated by half a cylinder L in length and 7 m in diameter.

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The wet surface of the hull of a certain vessel can beapproximated by half acylinder L in length and 7 m in diameter. Calculate the drag forceacting on thisvessel when it moves with a speed of 28 km/h (water data: 𝜇 = 1.01∙ 10−3 𝑃𝑎 ∙ 𝑠 and𝜌 = 1030 𝑘𝑔/𝑚³). Assume that the drag is due to surface frictiononly and that the boundary layers are turbulent from the leadingedge.