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  1. Khan Academy

  2. Torque and angular momentum | High school physics - Khan …

  3. Rotational version of Newton's second law - Khan Academy

  4. Rotational kinematic formulas - Khan Academy

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  6. Oops. Something went wrong. Please try again. | Khan Academy

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  8. Faça uma doação - Khan Academy

  9. ხანის აკადემია - Khan Academy

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