Task id9139
Seller: nerdmavr
Price: 0.10 USD
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Product description
The motionless ball is positively charged and is located above the negatively charged ball. The charges of the balls are identical, the mass of each is 0.01 r, the radius is 1 mm and the distance between centers is 20 mm. What must be their potential difference for the upper ball to lift the lower one?
Additional information
Detailed solution. Format png