The inner walls of the hemispherical bowl shown below are nonconducting frictionless walls. The bowl's radius R = 20 cm. Two identical small spheres, each 0.1 kg and charge -q, were placed initially at the lowest point of the bowl. At the equilibrium with massmD 1. state, the spheres are found to be a distance R apart from each other as shown in the figure. Determine the charge q (in pC) of each .shpere. (use g=10 m/s²) R. 8.0 0.4 2.0 67 O O O C
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