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Problem 1 Two small harged spheres of charge g and mass m hang from cords of equal length /as shown in the figure. The cords make small angles with the vertical. If the length of each cord is 0.5 m, the mass of each sphere is 20 g, and the angle made by each cord is 20°, what is the charge on each sphere? a) Describe the approach you will take to determine the charge q b) Draw a free body diagram for each sphere c) Set up the equations you will need to solve the problem d) Apply algebraic techniques to solve for the unknown of interest e) Calculate the final answer

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Answer #1

Newton's law, net force = mass X acceleration

During equilibrium, net force = 0.

During equilibrium, electrostatic force, weight and tension act on the sphere.

ualizm.lerus in X.and% duectaon mg Fa K tan 20 2 13

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