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  • GATE 2012 Mechanical Engineering (Core Subjects)
  • A circular solid disc of uniform thickness 20 mm, radius ...
Multiple choice

A circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as fly wheel. If it rotates at 600 rpm, the kinetic energy of the flywheel (in Joules) is

  1. 395

  2. 790

  3. 1580

  4. 3160

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B Correct answer
Explanation

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