Physics questions I don’t understand ?
- RealProLv 72 months ago
Because it's unanswerable. This is clear to a child. We don't even know the mass of an arm. Did you post only part of the problem? You need to provide the entire thing.
Anyway, google "conservation of angular momentum" and look up solved examples.
- Anonymous2 months ago
2 rad/sec * 0.5 m / 0.15 m