蚂Homework(5)
1. Two pressure sensors are located as shown in the sketch. For an 8-s progressive（前进的） wave, the dynamic（动态的） pressure amplitudes at sensors 1 and 2 are 2.07 × l04 N/m2 and 2.56 × l04 N/m2, respectively. What are the water depth, wave height, and wave length?
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dynamic pressure: p1?2.07?104N/m2,p2?2.56?104N/m2z1??h,z2??(h?7.62)coshk(z1?h)AAcos(kx??t)??gcoshkhcoshkhcoshk(z2?h)cosh(7.62k)袅p??gAcos(kx??t)??gA2coshkhcoshkh2?k?0.0886,L??70.9mkgT2L?tanhkh,h?10.01m2?A?2.93m,H?5.86mp1??g
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