A circular steel plate of radius 15 cm is cooled from 350 oC to 20 oC. By what percentage does the plate’s area decrease?
Answer to relevant QuestionsWhat temperature change would cause a 0.20% increase in the volume of a quantity of water that was initially at 20 oC? When exposed to sunlight, a hole in a sheet of copper expands in diameter by 0.153% compared to its diameter at 68 °C. What is the Celsius temperature of the copper sheet in the sun? A Pyrex beaker that has a capacity of 1000 cm3 at 20 °C contains 990 cm3 of mercury at that temperature. Is there some temperature at which the mercury will completely fill the beaker? Justify your answer. (Assume that no ...The highest and lowest recorded air temperatures in the world are, respectively, 58 oC (Libya, 1922) and – 89 oC (Antarctica, 1983). What are these temperatures on the Fahrenheit scale? For an average molecule of N2 gas at 10 °C, what are its (a) Translational kinetic energy, (b) Rotational kinetic energy, and (c) Total energy? Repeat for He gas at the same temperature.
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