Two point charges are lying on the y-axis as in the figure: 91 = -3.80 and...

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Two point charges are lying on the y-axis as in the figure: 91 = -3.80 and 92 = +3.80 C. They are equidistant from the point P, which lies on the x-axis. (a) What is the magnitude of net electric field at P? (b) A small object of charge 90 = 7.20 C and mass m = 1.29 g is placed at P. When it is released, what is the magnitude of its acceleration? 91 92 0.750m 32.8 +x 32.8 0.750m (a) Number Units N/C (b) Number 367.66 Units m/s^2 Two point charges are lying on the y-axis as in the figure: 91 = -3.80 and 92 = +3.80 C. They are equidistant from the point P, which lies on the x-axis. (a) What is the magnitude of net electric field at P? (b) A small object of charge 90 = 7.20 C and mass m = 1.29 g is placed at P. When it is released, what is the magnitude of its acceleration? 91 92 0.750m 32.8 +x 32.8 0.750m (a) Number Units N/C (b) Number 367.66 Units m/s^2