As part of a training program, an athlete runs while holding 8.00 weights in each hand. As he runs, the weights swing through a 30.0 arc in . His hands are 72 from his shoulder joint, and they are light enough that we can neglect their weight compared with that of the 8.00 weight he is carrying.

Question

As part of a training program, an athlete runs while holding 8.00  weights in each hand. As he runs, the weights swing through a 30.0  arc in   . His hands are 72  from his shoulder joint, and they are light enough that we can neglect their weight compared with that of the 8.00  weight he is carrying.