Two electric balls having certain mass carry a negative charge spread uniformly over their surfaces. Make necessary assumptions on the charges (Q1 and Q2) and mass of the balls. Each of these balls can be modelled as a sphere 7.5 µm in diameter. Using the assumptions find the following. (a) What speed would they need when very far away from each other to get close enough to just touch? Elaborate on the reasons for the answer.
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Two electric balls having certain mass carry a negative charge spread uniformly over their surfaces. Make necessary assumptions on the charges (Q1 and Q2) and mass of the balls. Each of these balls can be modelled as a sphere 7.5 µm in diameter. Using the assumptions find the following. (a) What speed would they need when very far away from each other to get close enough to just touch? Elaborate on the reasons for the answer.
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