A cubical float, 1.22 m on a side, weighs 1.78 kN and is anchored by means of a concrete block that weighs 6.67 kN in air. If 229 mm of the float is submerged when the chain connected to the concrete is taut, what rise in water level will lift the concrete off the bottom? Concrete weighs 23.56 kN/m3

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A cubical float, 1.22 m on a side, weighs 1.78 kN and is anchored by means of a concrete block
that weighs 6.67 kN in air. If 229 mm of the float is submerged when the chain connected to the
concrete is taut, what rise in water level will lift the concrete off the bottom? Concrete weighs
23.56 kN/m3

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