A light non-stretchable thread is wound on a massive fixed pulley of radius \( R \). A small bod...
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A light non-stretchable thread is wound on a massive fixed pulley of radius \( R \). A small body of mass \( m \) is tied to the free end of the thread. At a moment \( t=0 \) the system is released and starts moving. Find its angular momentum relative to the pulley axle as a function of time \( t \).
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