A hollow 6 ft diameter sphere floats half-submerged in

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A hollow 6 ft. diameter sphere floats half-submerged in seawater. What mass of concrete is required as an external anchor to just submerge the sphere completely? Assume concrete has a unit weight of 150 lb/ft3 and the unit weight of sea water is 64 lb/ft3.

Reference no: EM13605520

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