PRACTICE ANOTHER The figure shows an overhead view of a 2.20 kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 450 g slides toward the opposite end of the rod with an initial velocity of 26.0 m/s. The disk strikes the rod and sticks to it. After the collision, the rod rotates about the pivot poist plo (e) What is the angular velocity, in rad/s, of the two after the collision? rad/s (b) What is the kinetic energy, in joules, before and after the collision? KE

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Chapter1: Units, Trigonometry. And Vectors
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PRACTICE ANOTHER
The figure shows an overhead view of a 2.20 kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk
of mass 450 g slides toward the opposite end of the rod with an initial velocity of 26.0 m/s. The disk strikes the rod and sticks to it. After the collision, the rod rotates about the pivot point.
(a) What is the angular velocity, in rad/s, of the two after the collision?
rad/s
(b) What is the kinetic energy, in joules, before and after the collision?
KE,
KE,
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Transcribed Image Text:PRACTICE ANOTHER The figure shows an overhead view of a 2.20 kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 450 g slides toward the opposite end of the rod with an initial velocity of 26.0 m/s. The disk strikes the rod and sticks to it. After the collision, the rod rotates about the pivot point. (a) What is the angular velocity, in rad/s, of the two after the collision? rad/s (b) What is the kinetic energy, in joules, before and after the collision? KE, KE, Additional Materials eBook Submt Answer
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