A Particle (Charge = Q)is Kept in a Fixed Position

question 137

Multiple Choice

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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