Consider the situation illustrated in Figure 25. 11. A positively charged particle is lifted against the uniform electric field of a negatively charged plate. Ignoring any gravitational interactions, draw energy diagrams for the following choices of systems: (a) particle and plate, \(v_{\mathrm{f}}=0\); (b) particle only, \(v_{\mathrm{f}}=0 ;(c)\) particle, plate, and person lifting, \(v_{\mathrm{f}}=0 ;(d)\) particle and plate, \(v_{\mathrm{f}} eq 0\).

Data from Figure 25. 11

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