What is the mass and weight of each planet and the moon tell me please quickely
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Physics, 22.06.2019 01:30
The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
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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/(mβ
k), and the styrofoam has k= 0.010 w/(mβ
k). the interior surface temperature is 19.0 βc , and the exterior surface temperature is -15.0 βc . 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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Physics, 22.06.2019 15:50
How many neutrons does plutonium -196 with an atomic number of 78.
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