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Posted by on Sunday, November 21, 2010 at 8:29pm.

A 1.0 m cubed object floats in fresh water with 20% of it above the waterline. What does the object weigh out of the water?

  • physics - , Sunday, November 21, 2010 at 9:04pm

    See http://www.jiskha.com/display.cgi?id=1290346564 for explanation of Archimedes principle of floatation.

    Basically an object floating in a fluid displaces a volume of fluid equal to its own weight.

    So this 1 m³ object has 80% of it submerged. How much weighs the water it displaced? And its own weight equals?

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