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You are given: ebonite rods, fur, an electroscope and a sphere of unknown charge. DEscribe an experimental procedure that you could use to determine the charge on the sphere without changing its charge.

Im so stuck because I dont need velocities in this question. A ballistic pendulum experiment is performed as shown in the diagrams below. The ball has a mass of 0.200 kg and the wooden block has a mass of 1.000 kg. Use the data in the diagrams to do appropriate calculations to determine if the...

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