Log1989 task number 14.27

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Sold: 2 last one 14.03.2021
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Uploaded: 26.08.2020
Content: L14_27.pdf 39,15 kB
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Product description

A charged ball A with a radius R = 2 cm is brought into contact with an uncharged ball B with a radius R₂ = 3 cm. After the balls were separated, the energy of the ball B turned out to be equal to W₂ = 0.4 J. What charge q was on the ball A before their contact?

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