Recent content by Zamba

i'm sorry, i didn't write it all out I=\int(2/3)dmr2 dr from here I replaced dm with (3m/r)dr so i got I=\int(2/3)(3m/r)r2 dr then i got I=\int2mr dr from 0 to R which gave me mr2

Homework Statement calculate the moment of inertia of a sphere of mass M and radius R by integrating over thin shells Homework Equations Ishell=(2/3)mR2The Attempt at a Solution this is what i have so far the sphere is decomposed into infinitesimal shells with surface area 4\pir2 the mass of...