研究所、轉學考(插大)◆普通物理學題庫下載題庫

(18)A solid cylinder of mass m is on a surface as shown in the right figure. It is attached to a wall by two springs with the same constant k. Initially, the cylinder is at rest and the springs unstretched. The solid cylinder is pulled a distance A and then released. During the harmonic oscillation, the cylinder is rolling without slipping. What is the speed of the solid cylinder as it passes through equilibrium?
(A)
(B)
(C)
(D)
(E)