A solid cylinder of mass 20kg rotates about its axis with angular speed of 100 rad/s.The radius of the cylinder is 0.25m. What is the kinetic energy with the rotation of the cylinder?What is the magnitude of angular momentum of cylinder about its axis of rotation.
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Answer: l= 62.5 kg m²/s-1
KE= 3125 j
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In the image below..
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