An alpha particle of charge +2e and mass 6.64 × 10-27 kg is moving in the +x direction at 2.80×106 m/s. It enters a region where the electric field is 1567 N/C in the -x direction. How far will the alpha particle travel before it comes to a stop? How much time will elapse from when the alpha particle enters the electric field to when it stops

An alpha particle of charge +2e and mass 6.64 × 10-27 kg is moving in the +x direction at 2.80×106 m/s. It enters a region where the electric field is 1567 N/C in the -x direction. How far will the alpha particle travel before it comes to a stop? How much time will elapse from when the alpha particle enters the electric field to when it stops

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