Problem A2:
An object that has a density ρ is weighed in air. Its weight in air is
n1 Newtons. The object is placed in a fluid that has a density
of ρ0. In the fluid the weight of the object is n2
Newtons. The density of the object is ρ = n3 ρ0,
what is n3? Note that n3 is unitless.
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