Asolid contains n non-interacting nuclei of spin 1. each nucleus can be in any of three quantum states labeled by the quantum number m where m-1,0,1. asume a nucleus in the state m-1 or in the state m 1 has the same energy e, while in the state m-0 is zero. derive an expression for the entropy of the n nuclei and the mean energy of the system.

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

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

Which is the most accurate name for the ionic compound cas?