The MODU Ocean Ranger was lost in a storm Feb 14-15, 1982. The corner vertical columns have diameters 36- 38 feet and the center vertical columns have diameters 18-25 feet. The sea waves had significant wave height 33' and period 11 seconds while the swell had significant wave height of 23' and period 9 seconds. Classify what region/formulation in Figure 7.46 applies. LARGE DRAG I INERTIA AND DRAG SMALL DRAG DEEP WATER BREAKING WAVE CURVE III LARGE INERTIA IV. NEGLIGIBLE DRAG I ALL INERTIA 50-0 NEGLIGIBLE DIFFRACTION II DIFFRACTION REGION .01 .05 0.1 TOIL 05 5.0 Fig. 7.46. Regions of application of wave-force formulas for a vertical cylinder