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.
B
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Temperature Scales: The temperature changes from 35°F during the night to 75°F during the day. What is the temperature change on the Celsius scale?
A. 72 C° B. 40 C° C. 32 C° D. 22 C°
Briefly summarize current knowledge about the term flife in the equation Number of Civilizations = Np × flife × fcivilization × fnow
What will be an ideal response?
Describe the Deep Impact and Stardust missions and what they were designed to achieve
What will be an ideal response?
If the path of polar wandering found from two continents are not the same, then we can say that
A) Earth's magnetic history has been very complex. B) at least one of the continents has moved. C) our radioactive dating techniques have been inaccurate. D) the continents have always been widely separated.