Helllppp mee! what is the ke of a baseball having a mass of 0.14 kg that is thrown with a velocity of 18 m/s?

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

The metric unit of electrical power is the watt volt ampere ohm

Which is not true about oxygen-17 and oxygen-18?