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An aeroplane flying at 100 m/sec dives in a vertical plane along the circle of radius 200 m. The mass of the pilot is 75 kg. What will be the force exerted by the pilot on his seat when the aeroplane is at the maximum height-

  1. 300 kg wt  
  2. 200 kg wt  
  3. 450 kg wt  
  4. 100 kg wt   

The correct answer is: 300 kg wt

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