Saved Bookmarks
| 1. |
The ratio of the radii of gyration of a circular disc and a circular ring of the same radii about a tangential axis is : |
|
Answer» `1:sqrt(2)` For ring `(3)/(2)mr^(2)=mk_(2)^(2)""k_(2)sqrt((3)/(2))r` `THEREFORE (k_(1))/(k_(2))=sqrt((5)/(4))/(sqrt((3)/(2)))=sqrt((10)/(12))=sqrt((5)/(6))` |
|