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Two charged metal plates in vacuum are 15 cm apart as shown in Fig. 24-7. The electric field between the plates is uniform and has a strength of E = 3000 N/C. An electron (q = — e, me = 9.1x10^(—31) kg) is released from rest at point P just outside the negative plate. (a) How long will it take to reach the other plate? (b) How fast will it be going just before it hits? |
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