Physics, 11.03.2020 00:26 jimjimbaroo2253
A metallic circular plate with radius r is fixed to a tabletop. An identical circular plate supported from above by a cable is fixed in place a distance dd above the first plate. Assume that dd is much smaller than r. The two plates are attached by wires to a battery that supplies voltage V. What is the tension in the cable? Neglect the weight of the plate. Express your answer in terms of the variables d, r, V, and constants ϵ0, pi. F=
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Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
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Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?
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An object with a mass of 1.5 kg changes its velocity from + 15 m/s to +22 m/s during a time interval of 3.5 seconds. what impulse was delivered to the objects?
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A metallic circular plate with radius r is fixed to a tabletop. An identical circular plate supporte...
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