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| 1. |
Two identical discs are positioned on a vertical axis as shown in the figure. The bottom disc is rotating at angular velocity `omega_(0)` and has rotational kinetic energy `K_(0)`. Change in the rotational kinetic energy of the system isA. `k_(@)//6`B. `-(1//2)k_(@)`C. `-(1//4)k_(@)`D. `k_(@)//8` |
| Answer» Correct Answer - B | |