A 10 cm diameter sphere maintained at 30C is buried in the earth at a place where k 1 2 W m C The depth to the centerline is 24 cm, and the earth surface temperature is 0C Calculate the heat lost by the sphere

Question: A 10-cm-diameter sphere maintained at 30C is buried in the earth at a place where k = 1.2 W/m C. The depth to the

A 10-cm-diameter sphere maintained at 30ºC is buried in the earth at a place where k = 1.2 W/m · ºC. The depth to the centerline is 24 cm, and the earth surface temperature is 0ºC. Calculate the heat lost by the sphere.

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