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A section of fixed smooth circular track of radius R in vertical plane is shown in the figure. A block is released from position A and leaves the track at B. The radius of curvature of its trajectory when it just leaves the track at B is:
  • a)
    R
  • b)
    R/4 
  • c)
    R/2
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A section of fixed smooth circular track of radiusRin vertical plane i...
By energy conservation between A and B
Now, radius of curvature 
The correct answer is: R/2
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Most Upvoted Answer
A section of fixed smooth circular track of radiusRin vertical plane i...
By energy conservation between A and B
Now, radius of curvature 
The correct answer is: R/2
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A section of fixed smooth circular track of radiusRin vertical plane is shown in the figure. A block is released from positionAand leaves the track atB. The radius of curvature of its trajectory when it just leaves the track atBis:a)Rb)R/4c)R/2d)None of theseCorrect answer is option 'C'. Can you explain this answer?
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