Anonymous asked in Science & MathematicsPhysics · 2 months ago

Physics questions I don’t understand ?

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2 Answers

  • 2 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.

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  • Anonymous
    2 months ago

    2 rad/sec * 0.5 m / 0.15 m

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