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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
The figure shows an iron ball suspended by thread of negligible mass from an upright cylinder that floats partially submerged in water. The cylinder has a height of 5.70 cm, a face area of 14.0 cm2 on the top and bottom, and a density of 0.322 g/cm3, and 1.90 cm of its height is above the water surface. The water has a density of 1000 kg/m3, and the iron has a density of 7900 kg/m3. What is the radius r of the iron ball?
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