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The burning wood inside a woodstove has a temperature of 1000 C and radiates heat at...

The burning wood inside a woodstove has a temperature of 1000 C and radiates heat at a power of P. After some time, the temperature drops to 500 C, what is the radiation heat power now?

ANSWER IS 0.136P

PLEASE SHOW WORK

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Answer #1

Concept - For the same object, radiation power is proportional to the fourth power of temperature in Kelvin. We use this as shown below to find the radiation power at the new temperature given.

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