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Material Type: Quiz; Professor: Collins; Class: General Physics-GTSC1; Subject: Physics; University: Mesa State College; Term: Fall 2008;
Typology: Quizzes
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Phys 111 Fall 2008
block
of
aluminum
of
mass
(^) kg
is
(^) kg . The initial temperature of the
◦ C and that of the copper is
◦ C .
1.^ As time passes which of the following is true? Q Al (^) > (^0) (^) and
(^) Q Cu (^) > (^0)
Al (^) > (^0) (^) and
(^) Q Cu (^) < (^0)
Al (^) < (^0) (^) and
(^) Q Cu (^) > (^0)
Al (^) < (^0) (^) and
(^) Q Cu (^) < (^0)
TEX
(^) –
Phys 111 Fall 2008
block
of
aluminum
of
mass
(^) kg
is
(^) kg . The initial temperature of the
◦ C and that of the copper is
◦ C .
1.^ As time passes which of the following is true? ∆ U Al (^) > (^0) (^) and
(^) ∆ U Cu (^) > (^0)
Al (^) > (^0) (^) and
(^) ∆ U Cu (^) < (^0)
Al (^) < (^0) (^) and
(^) ∆ U Cu (^) > (^0)
Al (^) < (^0) (^) and
(^) ∆ U Cu (^) < (^0)
TEX
(^) –
Phys 111 Fall 2008
block
of
aluminum
of
mass
(^) kg
is
(^) kg . The initial temperature of the
◦ C and that of the copper is
◦ C .
Suppose that
(^) J of heat flows from the
aluminum into the copper.
Which of the
Cu (^) is positive.
Al (^) is negative,
Cu (^) is positive.
Al (^) is positive,
Cu (^) is negative.
Al (^) is negative,
Cu (^) is negative.
TEX
(^) –
