[单选题]
A uniform solid spheiva i2c 15wrh:1vrp1u re has max v +l 6n;j59pyw;j0g(ygjulass M and radius R. If these are increased to 2M and 3R, what happens to the sphere's moment of inertg9x 0a5pjwy gy(v;; ln 6j+ujlia about a central axis?
A. increases by a factor of 6
B. increases by a factor of 12
C. increases by a factor of 18
D. increases by a factor of 54
Post time 2024-1-22 02:51:16