Hi, sorry for the childish title. But this problem is supposed to be solved quantitatively using Laplace's equation, so it's not so straightforward.
Homework Statement
(a) Explain why it is possible to keep a teaspoon in a cup of water heated in a microwave oven without spark formation, but...
Homework Statement
The surface of a homogeneous body of mass m is the ellipsoid
(x/a)^2 + (y/b)^2 + (z/c)^2 = 1 with a,b,c>0.
What is the gravitational quadrupole moment dyadic of this body?
Homework Equations
This is my first confusion: what is the right equation?
In my...