# Physics

What is the escape speed of an electron launched from the surface of a 1.5 cm diameter glass sphere that has been charged to 10 nC?

Which equation(s) would I use?

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I saw several discussions of problems just like yours.

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2. I have tried and I did not find anything.

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3. I guess more people are asking the same question right now, because early, there was nothing.

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4. You must not have tried too hard, because I got several hits, such as

which is the exact same problem, but with different numbers.

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