A 66 kg student stands on a very light, rigid board that rests on a bathroom scale at each end as shown in (Figure 1).

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

Where do magnetic lines of force enter earth?

The ability to make things happen is also called a. heat b. force c. matter d. energy