An iron casting containing a number of cavities weighs 6000 N in air and 4000 N in

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An iron casting containing a number of cavities weighs 6000 N in air and 4000 N in water. What is the total volume of all the cavities in the casting? The density of iron (that is, a sample with no cavities) is 7.87 g/cm3.

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 18, 2011 01:37 AM

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An iron casting containing a number of cavities weighs 6000 N in air and 4000 N in

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The volume Vcay of the cavities is the difference between the volume Vcast of the casting ...View the full answer

Fundamentals of Physics

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