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# Four point charges, q, are fixed to the four corners of a square that is 12.6 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 12 nm above the center of the square. (The square is horizontally flat, and the electron is suspended 12 nm vertically above the center of the square.) What is the magnitude of each fixed charge in coulombs?   ### Other questions on the subject: Physics Physics, 22.06.2019 01:30, markmeinberg
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz Physics, 22.06.2019 10:30, johnthienann58
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g Physics, 22.06.2019 13:00, hippocampus Physics, 22.06.2019 14:10, chuchi24
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Four point charges, q, are fixed to the four corners of a square that is 12.6 cm on a side. An elect...

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