A particle (mass = 6.7 x 10-27 kg, charge = 3.2 x 10-19 C) movesalong the positive x axis with a speed of 4.1 x 105 m/s. It entersa region of uniform electric field parallel to its motion and comesto rest after moving 5.0 m into the field. What is the magnitude ofthe electric field (in N/C) ?
