A Small Metal Ball with a Mass of 10 Grams

question 41

Multiple Choice

A small metal ball with a mass of 10 grams and a charge of 5.0 mC is located in a region of space with an electric field of 12 N/C directed to the east.The ball is released from rest at a distance of 30 cm above the ground.What is the speed of the ball just before it hits the ground?

• A)1.0 m/s
• B)1.5 m/s
• C)2.0 m/s
• D)2.8 m/s
• E)3.9 m/s

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