Alarge electroscope is made with "leaves" that are 70 cm long wires with 19 g spheres at the ends. when charged, nearly all the charge resides on the spheres. if the wires each make a 30° angle with the vertical, what total charge q must have been applied to the electroscope? ignore the mass of the wires.
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Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
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Physics, 21.06.2019 21:30
Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?
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Physics, 22.06.2019 13:30
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
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Alarge electroscope is made with "leaves" that are 70 cm long wires with 19 g spheres at the ends. w...
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