p19_017.pdf
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Pobierz
Chapter 19 - 19.17
17. If
V
c
is the original volume of the cup,
α
a
is the coecient of linear expansion of aluminum, and ∆
T
is
the temperature increase, then the change in the volume of the cup is ∆
V
c
=3
α
a
V
c
∆
T
. See Eq. 19–11.
If
β
is the coecient of volume expansion for glycerin then the change in the volume of glycerin is
∆
V
g
=
βV
c
∆
T
. Note that the original volume of glycerin is the same as the original volume of the cup.
The volume of glycerin that spills is
∆
V
g
−
=
5
.
1
−
3
α
a
)
V
c
∆
T
10
−
4
/
C
◦
3
23
10
−
6
/
C
◦
100 cm
3
(6 C
◦
)
×
−
×
=0
.
26 cm
3
.
∆
V
c
=
β
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P19_001.PDF
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P19_003.PDF
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P19_005.PDF
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