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In a lava lamp, a waxy fluid (say ρ= 1225[kg/m3]) is surrounded by another fluid (say ρ=...

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Physics

In a lava lamp, a waxy fluid (say ρ= 1225[kg/m3]) is surroundedby another fluid

(say ρ= 1200[kg/m3]), they are mutually insoluble, and they areheated by a lamp in the

bottom of the apparatus. The densities of these materials arevery similar, where the

waxy one is greater at normal room temperature. As the liquidsare heated, the waxy

density becomes less than the surrounding fluid and it rises.What is the buoyant force on

a spherical waxy blob, with radius 0.10[m] in the surroundingfluid? What is the force

due to gravity on this blob? When the blob heats and its densitybecomes 1100[kg/m3],

how much of its volume is submerged? How do the buoyant forceand the force due to

gravity compare now?

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