![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 19:10
Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745Β°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 Γ 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 19:50
Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (Ξ΅0 = 8.85 Γ 10-12 c2/n Β· m2)
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 22:00
Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 02:30
Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum.
Answers: 1
You know the right answer?
How does amplitude determine loudness?...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 03.08.2019 00:40
![question](/tpl/images/cats/biologiya.png)
Biology, 03.08.2019 00:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 03.08.2019 00:50
![question](/tpl/images/cats/health.png)
Health, 03.08.2019 00:50
![question](/tpl/images/cats/biologiya.png)
Biology, 03.08.2019 00:50
![question](/tpl/images/cats/mat.png)
Mathematics, 03.08.2019 00:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.08.2019 00:50
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 03.08.2019 00:50
![question](/tpl/images/cats/mat.png)