A research Van de Graaff generator has a 1.98-m-diameter metalsphere with a charge of 4.75 mC
on it.
a) What is the potential near its surface?
MV
b) At what distance from its center is the potential 1.02
?
m
c) An oxygen atom with 3
missing electrons is released near the Van de Graaff generator.What is its energy in MeV
at this distance?
MeV
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