A 10-cm diameter copper ball is to be heated from 100°C to an average tem-
perature of 150°C in 30 minutes.
Taking the average density and
specific heat of copper in this temperature range to be p = 8950 kg/m3 and
се 0.395. kJ/kg • °C, respectively, determine (a) the total amount of heat
transfer to the copper ball, (b) the average rate of heat transfer to the ball, and
(c) the average heat flux.
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Answer:
a the total heat transfer to the copper ball
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