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Physics, 27.05.2021 22:00 91miketaylor

5. What is the heat energy generated/emitted by the metal when a 250 kg lump of iron cools from
650° C to 20°C? Specific heat of iron is 449
J/kg
1,459,250,000 J

70,717,500 )
112,250 J
-70,717,500 J

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5. What is the heat energy generated/emitted by the metal when a 250 kg lump of iron cools from

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