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A parallel plate capacitor is composed of two square plates, 13.5 cm on a side, separated by an air gap of 0.80 mm. The capacitor is initially charged to a 165-V potential difference. The plates are then physically separated by another 0.550mm in such a way that none of the charge can leak off the plates.
(a) Find the new capacitance.
_________ F
(b) Find the new energy stored in the capacitor
_________ J
The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t - (8?)x], where everything is measured in standard units, meters and seconds. What is the amplitude of the wave?
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Bob Richards is production manager of Zychol Chemicals, in Houston Texas, is making his quarterly report, which is to include a productivity examine for his section.
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