The electron gun in a television tube

is used to accelerate electrons with mass
9.109 × 10−31 kg from rest to 3 × 107 m/s
within a distance of 2.4 cm.
What electric field is required? The funda-
mental charge is 1.602 × 10−19 C.
Answer in units of N/C

1 answer

1.066 x 10^5

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