A low-mass rod of length 0.44 m has a metal ball of mass 1.8 kg at each end. The center of the rod is located at the origin, and the rod rotates in the xy plane about its center. The rod rotates counterclockwise around its axis when viewed from a point on the z axis, looking toward the origin. The rod makes one complete rotation every 0.7 s.
Required:
a. What is the moment of inertia of the object (rod plus two balls)?
b. What is the rotational angular momentum of the object?
c. What is the rotational kinetic energy of the object?
Answers: 3
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A low-mass rod of length 0.44 m has a metal ball of mass 1.8 kg at each end. The center of the rod i...
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