Identical isolated conducting spheres 1 and 2 haveequal charges and are separated by a distance that islarge compared with their diameters (see Figure (a)).The magnitude of the electrostatic force acting onsphere 2 due to sphere 1 is F = 6.6 N. Suppose nowthat a third identical sphere 3, having an insulatinghandle and initially neutral, is touched first to sphere1 (see Figure (b)), then to sphere 2 (see Figure (c)),and finally removed (see Figure (d)). What is themagnitude of the electrostatic force F' that now actson sphere 2?(a)Number iUnits(b)(d)()

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