A cargo ship model 1000 ft long is to be modeled in a towing tank at a speed that will produce waves that are dynamically similar to those observed around a prototype. The tests are to represent the prototype moving at a speed of 26 knots (30 MPH, miles per hour). If the model length is 5 ft, the model speed (fts) that the tests need to be is most nearly
A. 0.945
B. 1.45
C. 2.12
D. 3.11
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