![subject](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.06.2019 11:30 caggh345
Aperson is standing still and listening to a siren sounding an alarm. the frequency of the sound is 500 hz. the person begins running toward the sound at a rate of 20 m/s. the frequency of the sound the person hears will
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Social Studies
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.06.2019 03:00
Explain how tectonic plate movement creates geological events and features.
Answers: 3
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.06.2019 07:00
Reasons for factor mobility of a combine harvester, cotton, an oil platforn and a woodland
Answers: 3
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.06.2019 10:40
Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.
Answers: 1
You know the right answer?
Aperson is standing still and listening to a siren sounding an alarm. the frequency of the sound is...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 10.02.2022 08:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 10.02.2022 08:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 10.02.2022 08:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 10.02.2022 08:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 10.02.2022 08:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)