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An electron enters a region of uniform electric field with an initial velocity of 42 km/s...

An electron enters a region of uniform electric field with an initial velocity of 42 km/s in the same direction as the electric field, which has magnitude E = 51 N/C. (a) What is the speed of the electron 1.3 ns after entering this region? (b) How far does the electron travel during the 1.3 ns interval?

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