Charge is distributed with uniform surface charge density sigma on a circular disc with radius a. the disc lies in the xy plane with center at the origin. find the electric field at a point (o, o, z) on the z-axis. explicitly calculate the limiting forms of the solution at very small (z < < a) and at very large (z > > a) z compared to a.
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Physics, 22.06.2019 13:50
Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?
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Physics, 22.06.2019 16:00
The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
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Charge is distributed with uniform surface charge density sigma on a circular disc with radius a. th...
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