Calculate the distance d from the center of the sun at which a particle experiences equal attractions from the earth and the sun. the particle is restricted to the line which joins the centers of the earth and the sun. justify the two solutions physically. note that: mearth = 5.976 x 1024 kg msun = 333,000 mearth distance earth to sun = 149.6 gm (giga-meters).
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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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Calculate the distance d from the center of the sun at which a particle experiences equal attraction...
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