In Fig. 15-49a, a metal plate is mounted on an axle through its center of mass.A spring
Chapter 15, Problem 54(choose chapter or problem)
In Fig. 15-49a, a metal plate is mounted on an axle through its center of mass.A spring with k 2000 N/m connects a wall with a point on the rim a distance r 2.5 cm from the center of mass. Initially the spring is at its rest length. If the plate is rotated by 7 and released, it rotates about the axle in SHM, with its angular position given by Fig.15-49b.The horizontal axis scale is set by ts 20 ms.What is the rotational inertia of the plate about its center of mass? r(a) (b)ts840048t (ms) Figure 15-49 54.
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