Question: Lumped Capacitance Analysis: A small copper sphere at an initial temperature of 2 5 C is suddenly exposed to an environment at 3 0 0

Lumped Capacitance Analysis:
A small copper sphere at an initial temperature of 25C is suddenly exposed to an environment at 300C with a heat transfer coefficient of 200Wm2*K. Using the lumped capacitance method, determine the time required for the sphere to reach a temperature of 200C.
Lumped Capacitance Analysis: A small copper

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