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A block of wood has mass of 3.67 kg and a density of 600 kg/m3. It is to be loaded with lead so that it will float in water with 0.90 of its volume immersed. 5. What mass of lead is needed: a) if the lead is on the top of the wood? b) if the lead is on the bottom of the wood?
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Solutionㅕ Given data mass of wood 3.67 kg density of wood - 600 kg/m2 a.) Mass of lead is needed if the lead is attached to the top of the wood: Weight of the object is the weight of the block of wood and the lead attached to the top of the block of wood Wobj Wuater displacesd (mass of woodmass of lead) * g-(mass of waterdisplaced) *g mwood+mieadg (Pwater * Vwater displaced)g mood mead g (Pwater *Vwater displacedgeqn(1)

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