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By what factor is the self-inductance of an air solenoid changed if its length and number of coil turns are both tripled
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Physics, 22.06.2019 12:20
Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
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Physics, 22.06.2019 14:40
How does an observation about an object differ from an inference about that object
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Physics, 22.06.2019 22:30
Compare the patterns of the two waves shown in the image. which statement is true about these waves?
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By what factor is the self-inductance of an air solenoid changed if its length and number of coil tu...
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