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(a) Ice floats in water with about wine-...

(a) Ice floats in water with about wine-tenths of its volume submerged. What is the fraction sub merged for an iceberg floating on freshwater lake of a hypothetical) planet whose gravity is to times that of the earth?
(b) What is the fractional volume submerged of an ice cube in a fall of water placed in an enclosure which is freely falling under gravity?

Text Solution

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(a) The fractional volume submerged does not depend on the gravity. So in the planet also fee will get submerged upto the same level. The condition for flotation is: mass of floating body mass of liquid displaced
(b) Pressure and hence upthrust depends on g. So ifg=0upthrust is zero. So the ice will float with any value for the fractional submerged volume.
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