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mamafay mamafay
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6 years ago
A particle (mass = 4.0 g, charge = 80 mC) moves in a region of space where the electric field is uniform and is given by Ex = -2.5 N/C, Ey = Ez = 0 . If the velocity of the particle at t = 0 is given by vx = 80 m/s, vy = vz = 0, what is the speed of the particle at t = 2.0 s?
 a. 40 m/s
  b. 20 m/s
  c. 60 m/s
  d. 80 m/s
  e. 180 m/s
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timmyisbaetimmyisbae
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