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The electron gun in a television tube is used to accelerate electrons with mass 9.109 1031 kg from rest to 3 107 m/s within a

The electron gun in a television tube is used to accelerate electrons with mass 9.109 1031 kg from rest to 3 107 m/s within a distance of 3.3 cm. Assuming the electric field is constant, what electric field is required in the tube? The fundamental charge is qe . Answer in units of N/C.

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