2. Classify Identify the following materials as thermal conductors or thermal insulators: a wooden spoon, an iron frying pan, a plastic spatula,
a steel fork.

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In 1995 a research group led by eric cornell and carl wiemann at the university of colorado successfully cooled rubidium atoms to the 20-200 nk temperature range. assuming (incorrectly) that the rubidium atoms behave liké particles of a classical ideal gas, calculate the rms speed of a rubidium atom at a temperature of 112.0 nk. in the experiments one particular isotope of rubidium was used, rubidium-87. the molar mass of this isotope is 86.91 q/mol. tries 0/20 submit answer

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above