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A 10 kg iron sphere is initially heated to and then cooled slowly. The graph below shows how its temperature changes over time. What is the rate of flow of heat from the sphere after the first 40 minutes of cooling?
The specific heat of iron is .
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and then cooled slowly. The graph below shows how its temperature changes over time. What is the rate of flow of heat from the sphere after the first 40 minutes of cooling?
.
