A Cube at 100°C Radiates Heat at a Rate of 80.0

question 28

Multiple Choice

A cube at 100°C radiates heat at a rate of 80.0 J/s.If its surface temperature is increased to 200°C,the rate at which it will now radiate is closest to

• A) 160 J/s.
• B) 207 J/s.
• C) 320 J/s.
• D) 640 J/s.
• E) 1280 J/s.

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