Solved papers for JEE Main & Advanced AIEEE Solved Paper-2011

done AIEEE Solved Paper-2011 Total Questions - 3

• question_answer1) A pulley of radius 2 m is rotated about its axis by a force \[F=(20\,t-5{{t}^{2}})\] newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg \[{{m}^{2}}\], the number of rotations made by the pulley before its direction of motion if reversed is   AIEEE  Solved  Paper-2011
  A)
  More than 9
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  B)
  Less than 3
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  C)
  More than 3 but less than 6
  done clear
  D)
   More than 6 but less than 9
  done clear
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• question_answer2) A thin horizontal circular disc is rotating about a vertical axis passing through its centre. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc to reach its other end. During the journey of the insect the angular speed of the disc   AIEEE  Solved  Paper-2011
  A)
  First increase and then decrease
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  B)
  Remains unchanged
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  C)
  Continuously decreases
  done clear
  D)
  Continuously increases
  done clear
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• question_answer3) A mass m hangs with the help of a string wrapped around a pulley on a frictionless bearing. The pulley has mass m and radius R. Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass m, if the string does not slip on the pulley, is   AIEEE  Solved  Paper-2011
  A)
  \[\frac{g}{3}\]                                      
  done clear
  B)
  \[\frac{3}{2}g\]
  done clear
  C)
  g                                                
  done clear
  D)
  \[\frac{2}{3}g\]
  done clear
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