Physics
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Question

The maximum speed with which a car can cross a convex bridge over a river with radius of curvature 9 m is : (given that the centre of gravity of car is 1m above the road)-

  1. 50 m/s  
  2. 30 m/s  
  3. 20 m/s  
  4. 10 m/s  

The correct answer is: 10 m/s

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