Acar traveling south is 200 kilometers from its starting point after 2 hours. what is the average velocity of the car?
a. 100 kilometers/hour south
b. 200 kilometers/hour
c. 200 kilometers/hour north
od. 100 kilometers/hour
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Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

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

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.