Calculate the moment of inertia of the earth about its diameter, taking it to be a sphere of 10^25kg and diameter 12800km.
(a) 1.64 kgm^2
(b) 16.4×10^38 kgm^2
(c) 1.64×10^38 kgm^2
I had been asked this question in final exam.
This question is from Centripetal Force topic in portion Kinematics of Engineering Physics I