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A leaf is caught in a whirlpool. At a given instant, the leaf is at a distance of 120 m from the centre of the whirlpool. The whirlpool can be described by the following velocity distribution: 
 m/s and m/s, where r (in meters) is thedistance from the centre of the whirlpool. What will be the distance of the leaf from the centre when it has moved through half a revolution?
[2005]
  • a)
    48 m
  • b)
    64 m
  • c)
    120 m
  • d)
    142 m
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A leaf is caught in a whirlpool. At a given instant, the leaf is at a ...
Radial distance = 120 m


By equating (i) & (ii), we get

By solving above, we get
r = 64 m
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Most Upvoted Answer
A leaf is caught in a whirlpool. At a given instant, the leaf is at a ...
Radial distance = 120 m


By equating (i) & (ii), we get

By solving above, we get
r = 64 m
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A leaf is caught in a whirlpool. At a given instant, the leaf is at a distance of 120 m from the centre of the whirlpool. The whirlpool can be described by the following velocity distribution:m/s andm/s, where r (in meters) is thedistance from the centre of the whirlpool. What will be the distance of the leaf from the centre when it has moved through half a revolution?[2005]a)48 mb)64 mc)120 md)142 mCorrect answer is option 'B'. Can you explain this answer?
Question Description
A leaf is caught in a whirlpool. At a given instant, the leaf is at a distance of 120 m from the centre of the whirlpool. The whirlpool can be described by the following velocity distribution:m/s andm/s, where r (in meters) is thedistance from the centre of the whirlpool. What will be the distance of the leaf from the centre when it has moved through half a revolution?[2005]a)48 mb)64 mc)120 md)142 mCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A leaf is caught in a whirlpool. At a given instant, the leaf is at a distance of 120 m from the centre of the whirlpool. The whirlpool can be described by the following velocity distribution:m/s andm/s, where r (in meters) is thedistance from the centre of the whirlpool. What will be the distance of the leaf from the centre when it has moved through half a revolution?[2005]a)48 mb)64 mc)120 md)142 mCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A leaf is caught in a whirlpool. At a given instant, the leaf is at a distance of 120 m from the centre of the whirlpool. The whirlpool can be described by the following velocity distribution:m/s andm/s, where r (in meters) is thedistance from the centre of the whirlpool. What will be the distance of the leaf from the centre when it has moved through half a revolution?[2005]a)48 mb)64 mc)120 md)142 mCorrect answer is option 'B'. Can you explain this answer?.
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