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Two small spheres, each carrying a net positive charge, are separated by 0.400 m. You have...

Two small spheres, each carrying a net positive charge, are separated by 0.400 m. You have been asked to perform measurements that will allow you to determine the charge on each sphere. You set up a coordinate system with one sphere (charge q1) at the origin and the other sphere (charge q2) at x = +0.400 m. Available to you are a third sphere with net charge q3 = 3.00×10−6 C and an apparatus that can accurately measure the location of this sphere and the net force on it. First you place the third sphere on the x-axis at x = 0.200 m; you measure the net force on it to be 3.50 N in the +x-direction. Then you move the third sphere to x = +0.600 m and measure the net force on it now to be 2.50 N in the +x-direction. Find q1 and q2.

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Answer #1

In first cose om 0-200m 0.yoom 2,000 2 = 3x106c 22 Net force on 23 is 3 50 F = 0.2002 O. PODE = . 2123 +2,232 0 3.50x 0.2002

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