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Category > Applied Sciences Posted 05 May 2017 My Price 8.00

A long copper rod of diameter

A long copper rod of diameter 2.0 cm is initially at a uniform temperature of 100°C. It is now exposed to an air stream at 20°C with a heat transfer coefficient of 200 W/m2· K. How long would it take for the copper road to cool to an average temperature of 25°C?

 

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IT KING
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Status NEW Posted 05 May 2017 12:05 PM My Price 8.00

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