- #1
hndalama
- 32
- 0
Homework Statement
If the Earth, with a radius of 6400 km, were collapsed into a sphere of the same mass, having a radius of 10 km, what would be its rotational period?
Homework Equations
L = Iw
The Attempt at a Solution
I can solve this if the moment of inertia is given but since it isn't I was wondering if there is a way to solve it without knowing the moment of inertia.