please help me... I have to submit this assignment
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a) The cylinder floats in the sea because it contains air and the density of air is less than the density of water.
b) The volume of water displaced is 1.2 X 0.8 m^3. This supports 1.8 X 0.8 m^3 of material comprising the cylinder. Down force is 1.2 X 0.8 X 1020 X 9.81 N
Upforce = 9606 N
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