![subject](/tpl/images/cats/fizika.png)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![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, 22.06.2019 23:30
Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:30
The first law of thermodynamics is as follows: ∆u=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .
Answers: 1
You know the right answer?
Two cars each have a mass of 1050 kg. If the gravitational force between
them is 2.27 x 10-7N, how...
Questions
![question](/tpl/images/cats/en.png)
English, 21.01.2021 07:10
![question](/tpl/images/cats/en.png)
English, 21.01.2021 07:10
![question](/tpl/images/cats/en.png)
English, 21.01.2021 07:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 21.01.2021 07:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.01.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 07:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 21.01.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 07:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.01.2021 07:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.01.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 07:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.01.2021 07:10