A Particle (Q = +5

question 109

Multiple Choice

A particle (q = +5.0 μC) is released from rest when it is 2.0 m from a charged particle which is held at rest. After the positively charged particle has moved 1.0 m toward the fixed particle, it has a kinetic energy of 50 mJ. What is the charge on the fixed particle?

• A) −2.2 μC
• B) +6.7 μC
• C) −2.7 μC
• D) +8.0 μC
• E) −1.1 μC

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