A Particle (Charge 7

question 40

Multiple Choice

A particle (charge 7.5 μC) is released from rest at a point on the x axis, x = 10 cm. It begins to move due to the presence of a 2.0-μC charge which remains fixed at the origin. What is the kinetic energy of the particle at the instant it passes the point x = 1.0 m?

• A) 3.0 J
• B) 1.8 J
• C) 2.4 J
• D) 1.2 J
• E) 1.4 J

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