Question
A spherical ball made of steel when dropped in mercury
container will βSolution
The density of steel usually ranges between 7.75 and 8.05 g/cm3 and the densityof mercuryis 13.534 g/cm3. Mercuryis denserthansteelthiswillmeanthatthebuoyant force is large enough to float the steel ball. Different materials usually have different densities, so density is an important concept regarding buoyancy, purity and packaging.
If βXβ is related to βWβ and βTβ is related to βSβ in a certain way, then βUβ is related to which of the following?
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