Co-relating moments of inertia with geometry.
Classical Mechanics
Level
3
An equilateral triangular plate has side length , and the moment of inertia about the axis shown is .
A regular hexagonal plate has side length , and the moment of inertia about the axis shown can be given as a constant multiple of : .
What is
Note: Assume both plates have negligible thickness.
by
Tapas Mazumdar