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Physics

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What is the final velocity of a hoop that rolls without slipping down a 5.00-m-high hill, starting from rest?

  • Physics -

    PE=KE=KE(transl) + KE(rot)
    I= mR²
    mgh = mv²/2 + I ω²/2=
    = mv²/2 + mR²v²/2R²=
    = mv²/2+ mv²/2 = mv²
    v=sqrt(gh)= …

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