4. A hot small copper ball [c in kJ/kg.°C, k in W/m.°C] is suddenly placed in water maintained at 100 °C. The convection heat transfer coefficient is h in W/m². °C. Derive equation to calculate the time required to reduce ball to temperature T.

Trigonometry (MindTap Course List)
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Author:Ron Larson
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Chapter6: Topics In Analytic Geometry
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4. A hot small copper ball [c in kJ/kg.°C, k in W/m.°C] is suddenly placed in water
maintained at 100 °C. The convection heat transfer coefficient is h in W/m². °C. Derive
equation to calculate the time required to reduce ball to temperature T.
Transcribed Image Text:4. A hot small copper ball [c in kJ/kg.°C, k in W/m.°C] is suddenly placed in water maintained at 100 °C. The convection heat transfer coefficient is h in W/m². °C. Derive equation to calculate the time required to reduce ball to temperature T.
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