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An electron with kinetic energy K is traveling along the +x axis, which is along the axis of a cathode-ray tube as shown in the figure below. There is an electric field E = 8.00××1044 N/C pointed in the +y direction between the deflection plates, which are d = 0.0500 m long and are separated by 0.0200 m.

Cumulative Problem 15 An electron with kinetic energy K is traveling along the +x axis, which is along the axis of a cathode-ray tube as shown in the figure below. There is an electric field E-8.00×10 N/C pointed in the +y direction between the deflection plates, which are d 0.0500 m long and are separated by 0.0200 m. 0.0200m -→ x 1) Determine the minimum initial kinetic energy the electron can have and still avoid colliding with one of the plates. (Express your answer to three significant figures.) x10-15J Submit

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19 al The Distance trovels by electroh o.ol m 2. The Frrcc acting on electron -Calong-헝 агиs tRe chg oneEd2 4x0.0) 21 2xo.o -1.CX 10-19 X 8 Х 104. X (0.05) 2initiat kinetic energy=8x10-16=0.8x10-15J Ans

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