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An alpha particle of charge +2e and mass 6.64 × 10-27 kg is moving in the +x direction at 2.11×106 m/s. It enters a region where the electric field is 1835 N/C in the -x direction. How far will the alpha particle travel before it comes to a stop?
b) How much time will elapse from when the alpha particle enters the electric field to when it stops Skip & Get next question Submit answerYour answer
The allowed energies of a simple atom are 0.0 eV, 4.5 eV, and 7.0 eV. What is the minimum speed the electron could have after the collision
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