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QiTian QiTian
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Posts: 506
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6 years ago
A particle (charge = Q) is kept in a fixed position at point P, and a second particle (charge = q) is released from rest when it is a distance R from P. If Q = +2.0 mC, q = -1.5 mC, and R = 30 cm, what is the kinetic energy of the moving particle after it has moved a distance of 10 cm?
 a. 60 kJ
  b. 45 kJ
  c. 75 kJ
  d. 90 kJ
  e. 230 kJ
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6 years ago
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