![subject](/tpl/images/cats/fizika.png)
Physics, 12.11.2019 19:31 dianasmygova
Someone really good at physics !
when the gas in a balloon is heated, the balloon expands. what are the correct signs of heat and work for this change?
a. +q, -w
b. -q, +w
c. +q, +w
d. -q, -w
things that could :
w=work q= heat
q= heat work
+ heat absorbed + work done by
- heat released - work done on
![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)
Physics, 21.06.2019 17:30
Plss anybody know how to do this? ? i need the answers from a through d
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:00
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 09:00
The pressure proportional to the area a- inversely b- directly c- increase d-decrease
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:00
If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
Answers: 1
You know the right answer?
Someone really good at physics !
when the gas in a balloon is heated, the balloon expands. w...
when the gas in a balloon is heated, the balloon expands. w...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 26.08.2019 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2019 05:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 26.08.2019 05:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 26.08.2019 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2019 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2019 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 26.08.2019 05:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.08.2019 05:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.08.2019 05:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.08.2019 05:20
![question](/tpl/images/cats/biologiya.png)