Question

Question 10 of 10 A boat of mass 2650 kg has two hydrofois, each of chord 30 cm and span 15 meters, with 12 and Co. 08. its engine can deliver 130 kW to the watet Forsewater at 20°C, take 1095 andy 000107 gins References eBook & Resources Section Break DimouityMedium 10. 10.00 points Required information Estimate the macimum speed attainable. Round the answer to two decimal places The maximum attainable speed is 14.97 ms Hints References eBook & Resources Hint Check my work MacBook Air

Answer 1

SOLUTION Total platform area = 2x 0.3x1.5 30.9m2 Ar = 1,5%0.3 = 5 The left of drag coeaguents are, Ce = 2W/CDR2 2x 2650x9,8) 1025x0.9 xV2 CD= Coat C² = 56.361 72 70.08+(56.361/v2)2 TAR TC 5) = 0.08 + 202.226 va Power = DV = 50.08 + 202-225 ၀-၀စီ 267 1025 v4 v2(0.9) y = 2 120000 W 36.91–130000V +93276.743 =0 v4 35231 + 2527.825 20 Solving Vmax 14.969 m/s

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