An electron of mass 911x10-31 kg has an initial speed of, Ask an Expert

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An electron of mass 9.11x10^-31 kg has an initial speed of 3.00x10^5 m/s. It travels in a straight line, and its speed increases to 7.00x10^5 m/s in a distance of 5.00cm. Assuming its acceleration is constant:

Part a

Determine the magnitude of the force exerted on the electron.

Part b

Compare this force with the weight of the electron, which we ignored.

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