7b9e8874b2f31bf723eef5ec339c7065adaa8fc8d62bed628f7b70c82960cdf9d3e018a89fa05b3bba3dfb78bffe1ef5e34277b4fd

79edf107b2f31b80239d8494339c701937be8b87b93270e33d00b7494b1b4d58bc0052e33bdff89ae3940a96b77f1b2c78b3e80b91



답은 b c 각각 
1500kg*m^2 
 2.2rad/s

라는데 풀이좀;

- dc official App