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A solid iron cylinder weighs 600 N. It has a density of 7860 kg/m^3. (a) Calculate the cylinder's volume. (b) How much would the cylinder weigh if it is completely submerged in water?

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evgeniylevi

Answer:

7.66 (litres); 523.66 (N).

Explanation:

all the details are provided in the attached picture. Note, P_i means 'Weight of iron', ρ_i means "Density of iron', ρ_w means 'Density of water', F_f means 'Arhimede force'.

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