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9 February 2014
- 19:1619:16, 9 February 2014 diff hist 0 List of moments of inertia 2601:9:4680:2b5:e416:8f9e:b5db:c0d9 talk Undid revision 594571634 by 128.151.150.18 (talk) The moment of inertia of a hollow cylinder must be 1/2 m r2^2 + r1^2, since it needs to approach m r2^2 as r1 -> r2.