(Solved by Humans)-A platinum sphere with radius 0.0181 m is totally immersed in
Question
A platinum sphere with radius 0.0181 m is totally immersed in mercury. Find the weight of the sphere, the buoyant force acting on the sphere, and the sphere's apparent weight. The densities of platinum and mercury are 2.14 ? 104 kg/m3 and 1.36 ? 104 kg/m3, respectively.
Given radius r = 0.0181 m
Therefore volume of the platinum sphere:
4
4
V = ? r 3= ? ? ( 0.0181 )3=2.48 ?10?5 m3
3
3
Therefore weight of the sphere:
4
?5
W sphere g=? platinum ?V ?...
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