Solving a problem in physics section 48 point 69 mechan
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69. A hollow copper ball (ρ = 8.93 g / cm3) weighs 3 h in air and in water (ρ '= 1 g / cm3) - 2H. Neglecting air buoyancy determine the volume of the internal cavity of the ball.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)