Heater supplies 80 J of energy to a block of metal. The temperature of the block rises by 20 °C.
What happens to the block of metal when its temperature falls by 10°C?
Its internal energy increases by 40 J.
Its internal energy decreases by 40 J.
Its internal energy decreases by 160 J.
Its internal energy increases by 160 J.
Answers: 1
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Heater supplies 80 J of energy to a block of metal. The temperature of the block rises by 20 °C.
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