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Sodium has a volume expansion coefficient of 15' 10-5 K-1.
Calculate: a. The percentage change in the Fermi energy as the temperature is raised from 0K to 300K. Comment on the Magnitude of the change.
b. The percentage change of the Fermi velocity.
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Two forced of magnitudes 6.0 N and 8.0 N act on an object. What relationship between the directions gives the smallest magnitude net force and what is this magnitude?
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