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Homework fag here and it's kwiz time

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Homework fag here and it's kwiz time
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>>32694
Principle of Archimedes

Calculate the volume of the raft, determine the weight of maximal displaced water (1 kg per l, that is, 1 dm^3), the difference between this and the weight of the raft (52 kg) is the solution.

https://en.wikipedia.org/wiki/Archimedes%27_principle
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>>32694
find the boyant force of the raft and set it equal to the gravitational force excerted by you unknown mass. then solve for the mass.
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