An ideal Carnot air conditioner operates between an indoor temperature of 20°C and an outdoor temperature of 39°C. How much energy does it use to remove 2000 J of heat from the interior of the house?

A) 105 J
B) 130 J
C) 780 J
D) 520 J
E) 340 J


B

Physics & Space Science

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Sunspots are cooler than the surrounding gas in the photosphere because

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Compared to other systems for generating electrical energy, nuclear energy is relatively unsafe

What will be an ideal response?

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When sulfur-35 (Z = 16) decays to chlorine-35 (Z = 17), an alpha particle is emitted

Indicate whether the statement is true or false

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