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4. +1 points My Notes Ask Your Teacher The two spheres in the figure are charged. Each has a mass of 0.57 kg. The lower mass is rigidly attached to the floor, with a charge of 9.6 x 103 C. The mass above it is held to the ceiling with a string, whose tension is 5.7 N. The masses are 5.8 m apart. What is the charge on the upper sphere (and make sure you get the sign right)? Submit Answer Save Progress Please show the correct answer for it. I have tried it not 0C and -3.89e-6 C and 3.89e-6C.

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