What is the magnitude-direction of the field
A circular metal plate of radius 0.2m has 10^10 excess electrons uniformly distributed over its surfaces. What is the magnitude AND direction of the field just outside the plate near its center?
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Determine the temperature at which a significant fraction of an ensemble of molecules populates the v=1 level at thermal equilibrium. Hint: as a first step calculate the characteristic vibrational temperature.
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An electron (mass 9.11 x 10-31 kg, charge 1.6x10-19 C) is placed half-way between the charges. What is the electrical field at this point? What is the force on this electron?
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