- #1
elfinitty
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Homework Statement
This is the main question.So I'm stuck at the b part
It says that the shell radius is (3)^1/2 - (3-y^2)^1/2 but i would only say (3-y^2)^1/2.Why do we say otherwise?
Homework Equations
The Attempt at a Solution
i would say the shell radius is (3-y^2)^1/2 but it's wrong