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Problem: a)t-An-object of mass. m-swingsina-horizontal | circle-on-the-string-oflength Lhttiles-downward- tiks downwar expressian for the angu ar eles a 250-8-rock to a 20 cnt-long string- and suings it around her head in a horizentel cirele dar speed in rem does the string eil is the objects centripetal force and aceleratio whan the string tilts dawn at lo agle 2
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