Answers: 1
Physics, 22.06.2019 05:30
Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Physics, 22.06.2019 15:20
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
Physics, 22.06.2019 17:00
If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction
Answers: 3
Physics how to calculate disintegration energy...
Biology, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
Spanish, 30.08.2020 01:01
History, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
History, 30.08.2020 01:01
History, 30.08.2020 01:01
Social Studies, 30.08.2020 01:01
Chemistry, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
Geography, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01
Mathematics, 30.08.2020 01:01