The image shows a dam. which descriptions best fit the labels?
x: kinetic energy
y: pot...
Physics, 04.07.2019 09:10 brittanysanders
The image shows a dam. which descriptions best fit the labels?
x: kinetic energy
y: potential energy
x: potential energy
y: kinetic energy
x: mechanical energy
y: electrical energy
x: electrical energy
y: mechanical energy
Answers: 1
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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
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