Physics, 05.10.2019 09:00, Kaleenamariedavidson
Find the electric field at a height z directly above ( 0) the center of a square sheet with sides of length l and a uniform surface charge σ. check your result for the limiting cases l + x and z l. hint: when i say "check your result", i mean that your answer should reduce to something more familiar in those two cases. when l → oo it should look like the electric field for an infinite charged sheet. when z l it should look (approximately) like the electric field due to a point charge q = l2ơ
Answers: 3
Physics, 22.06.2019 12:10, aedelfrance9250
Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
Answers: 1
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