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An electron of mass 9.11 10-31 kg has an initial speed of 2.85 105 m/s. It...

An electron of mass 9.11 10-31 kg has an initial speed of 2.85 105 m/s. It travels in a straight line, and its speed increases to 6.93 105 m/s in a distance of 5.50 cm. Assume its acceleration is constant. (a) Determine the force exerted on the electron. (b) Compare this force with the weight of the electron, which we neglected. F weight of the electron =

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