![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 21:00
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:30
Energy transformations that involve one transformation from one type of energy to another are called transformations.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 05:00
Awaiver with a period of 0.008 second has a frequency of a. 800hz. b. 80hz. c. 125hz. d. 12.5hz.
Answers: 1
![question](/tpl/images/cats/fizika.png)
You know the right answer?
Phase difference formula...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 14.11.2019 17:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.11.2019 17:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 14.11.2019 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.11.2019 17:31
![question](/tpl/images/cats/geografiya.png)
Geography, 14.11.2019 17:31
![question](/tpl/images/cats/ekonomika.png)
Business, 14.11.2019 17:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 14.11.2019 17:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)