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Statement of a problem № 3247

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A light string is wound several times around a spool of mass M and radius R. The free end of the string is attached to a fixed point and the spool is held so that the part of the string not in contact with it is vertical (see Fig. 4.4). If the spool is let go, find the acceleration and the tension of the string.

Solution:
A light string is wound several times around a spool of mass M and radius R. The

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