A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial...

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A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial...

A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 99 ∘C. The pot has an emissivity of 0.60, and the surroundings are at a temperature of 20.0∘C.

Part A

Calculate the coffee’s rate of heat loss by radiation.

Express your answer to two significant figures and include the appropriate units.

H

=

0.00W

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