Help me!! please ,
...
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 16:10
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
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:30
Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:00
If element x has 99 protons how many electrons does it have
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/mir.png)
World Languages, 16.09.2019 02:00
![question](/tpl/images/cats/es.png)
Spanish, 16.09.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/en.png)
English, 16.09.2019 02:00
![question](/tpl/images/cats/istoriya.png)
History, 16.09.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/istoriya.png)
History, 16.09.2019 02:00
![question](/tpl/images/cats/en.png)
English, 16.09.2019 02:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.09.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2019 02:00
![question](/tpl/images/cats/istoriya.png)
History, 16.09.2019 02:00