A 40-G Bead Carries a Charge of 20 μC

question 106

Multiple Choice

A 4.0-g bead carries a charge of 20 μC.The bead is accelerated from rest through a potential difference V,and afterward the bead is moving at 2.0 m/s.What is the magnitude of the potential difference V?

• A)800 kV
• B)400 kV
• C)800 V
• D)400 V
• E)200 V

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