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.

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

What’s #16 asking and how do i solve it?