If the convection heat transfer coefficient is 15 btuh


A 2-in-diameter spherical ball whose surface is maintained at a temperature of 170°F is suspended in the middle of a room at 70°F. If the convection heat transfer coefficient is 15 Btu/h · ft2· °F and the emissivity of the surface is 0.8, determine the total rate of heat transfer from the ball.

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Physics: If the convection heat transfer coefficient is 15 btuh
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