An electron is released from rest in a uniform electric field. The electron accelerates vertically upward, traveling 4.50 m in the first 3.00 ms after it is released. (a) What are the magnitude and direction of the electric field? (b) Are we justified in ignoring the effects of gravity? Justify your answer quantitatively.
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A: 3. Electric field due to infinite sheet is : E=σ2εo
An electron is released from rest in a uniform electric
field. The electron accelerates vertically upward, traveling 4.50 m in the
first 3.00 ms after it is released. (a) What are the magnitude and direction
of the electric field? (b) Are we justified in ignoring the effects of
gravity? Justify your answer quantitatively.
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