ant electric field with magnitude 1.50 x 103 N/C is pointing in the positive x-direction. An electron is fired from x = -0.0200 m in the same direction as the electric field. The electron's speed has fallen by en it reaches x = 0.150 m, a change in potential energy of 4.08 x 10-17 1. The electron continues to x = -0.210 m within the constant electric field. If there's a change in potential energy of -8.64 x 10-17 oes from x = 0.150 m to x = -0.210 m, find the electron's speed (in m/s) at x = -0.210 m. nt

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Chapter27: Capacitors And Batteries
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A constant electric field with magnitude 1.50 x 103 N/C is pointing in the positive x-direction. An electron is fired from x = -0.0200 m in the same direction as the electric field. The electron's speed has fallen by
half when it reaches x = 0.150 m, a change in potential energy of 4.08 x 10-17 J. The electron continues to x = -0.210 m within the constant electric field. If there's a change in potential energy of -8.64 x 10-17
J as it goes from x = 0.150 m to x = -0.210 m, find the electron's speed (in m/s) at x = -0.210 m.
Hint
m/s
Transcribed Image Text:A constant electric field with magnitude 1.50 x 103 N/C is pointing in the positive x-direction. An electron is fired from x = -0.0200 m in the same direction as the electric field. The electron's speed has fallen by half when it reaches x = 0.150 m, a change in potential energy of 4.08 x 10-17 J. The electron continues to x = -0.210 m within the constant electric field. If there's a change in potential energy of -8.64 x 10-17 J as it goes from x = 0.150 m to x = -0.210 m, find the electron's speed (in m/s) at x = -0.210 m. Hint m/s
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