8. A uniform cylinder of mass m and radius r unrolls without slipping from two strings tied to a vertical support. If the rotational inertia of the cylinder is mr2, find the acceleration of its center of mass. A. g B. g C. g D. g E. g
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Sih,C G. - 《Science China(Physics,Mechanics & Astronomy)》 被引量: 4发表: 2014年 EndoFEM crack closure analysis of AL2024-T3 CCT specimen under all tension fatigue loading The endochronic cyclic plasticity with finite element analysis (EndoFEM) is employed to simulate plasticity-induced crack...
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3. If a roller coaster cart of mass m was not attached to the track, it would still remain in contact with a track throughout a loop of radius R as long as A. v ≤ B. v ≥ C. v ≤ D. v ≥ E.