Inside an insulator spherical shell with a radius of R-8 cm, there are two small spherical charges of mass m 0.05 kg and charges q 1 C. One of charges is stationary and at the very bottom of the sphere. The other charge is free to move and its angular equilibrium position is y Find the angular frequency w of the small oscillation of the moving charge around yin units on rad/s. (Take 9-10 m/s and 1/(4c)-k-9x10° N-m²/C.)
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