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Physics
Problem
A Carnot engine has an efficiency of
1
/
6
1/6
1/6
. When the temperature of the sink is reduced by
62
∘
C
62^\circ\text{C}
6
2
∘
C
, its efficiency is doubled. The temperatures of the source and the sink are, respectively. a.
62
∘
C
62^\circ\text{C}
6
2
∘
C
,
124
∘
C
124^\circ\text{C}
12
4
∘
C
b.
99
∘
C
99^\circ\text{C}
9
9
∘
C
,
37
∘
C
37^\circ\text{C}
3
7
∘
C
c.
124
∘
C
124^\circ\text{C}
12
4
∘
C
,
62
∘
C
62^\circ\text{C}
6
2
∘
C
d.
37
∘
C
37^\circ\text{C}
3
7
∘
C
,
99
∘
C
99^\circ\text{C}
9
9
∘
C
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