How long it take sphere temperature to drop temperature
A pure copper sphere with a diameter of 3.0 cm is initially at uniform temperature of 50 °C. It is suddenly exposed to an airstream of 10 °C with h = 15 W/m2-°C. How long does it take the sphere temperature to drop to 25 °C?
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It is suddenly exposed to an airstream of 10 °C with h = 15 W/m2-°C. How long does it take the sphere temperature to drop to 25 °C?
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