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physics

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What is the angular momentum of a 0.200- ball rotating on the end of a thin string in a circle of radius 1.45 at an angular speed of 13.0 ?

  • physics - ,

    Angular momentum is L = I•ω,
    where I = m•R² is the moment of inertia of the material point.
    L = I•ω = m•R²• ω =
    =0.2 (kg)•(1.45)² (m²) •13 (rad/s) =
    =5.47 kg•m²/s.

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