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2 articles trouvés pour ce sujet.
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How much work is done? |
2011-10-15 |
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Jean pose la question :
"A conical buoy that weighs B pounds floats upright in water with its
vertex "a" feet below the surface. A crane on a dock lifts the buoy
until its vertex just clears the surface. How much work is done ?"
Penny Nom lui répond. |
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Apparent Weight in salt water |
2009-06-06 |
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Rob pose la question :
If an object weighs 100kg in air how much will it weigh when suspended in salt water?
Is there an easily used conversion calculation?
Janice Cotcher lui répond. |
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