14.58:
The fraction
f
of the volume that floats above the fluid is
,
1
fluid
ρ
ρ

=
f
where
ρ
is the average density of the hydrometer (see Problem 14.23 or Problem 14.55), which
can be expressed as
.
1
1
fluid
f
ρ
ρ

=
Thus, if two fluids are observed to have floating
fraction
.
1
1
,
and
2
1
1
2
2
1
f
f
ρ
ρ
f
f


=
In this form, it’s clear that a larger
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