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?

4 answers

try google first

I saw several discussions of problems just like yours.
I have tried and I did not find anything.
I guess more people are asking the same question right now, because early, there was nothing.
You must not have tried too hard, because I got several hits, such as

https://answers.yahoo.com/question/index?qid=20070429182156AAn5Pem

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