![subject](/tpl/images/cats/fizika.png)
Physics, 04.11.2020 18:30 ellenweiklee8581
Three hundred joules of heat are added to a system. The system uses 140 joules to do work.
By how much did the internal energy of the system change?
140 J
160 J
240 J
440 J
![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 17:00
Asimply means that over time there was some sort of change.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:30
=force × distance a. work b. velocity c. pressure d. momentum
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:30
Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
![question](/tpl/images/cats/fizika.png)
You know the right answer?
Three hundred joules of heat are added to a system. The system uses 140 joules to do work.
By how m...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 28.10.2019 11:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.10.2019 11:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 28.10.2019 11:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.10.2019 11:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.10.2019 11:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.10.2019 11:31
![question](/tpl/images/cats/mat.png)