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An iron anchor of density 7870 kg/m^(3) ...

An iron anchor of density 7870 kg/`m^(3)` appears 200 N lighter in water than in air. (a) What is the volume of the anchor? (b) How much does it weigh in air?

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(a) `2.14 xx 10^(-2) m^(3) , (b) 1.65 xx 10^(3)` N
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