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A block weighing 10 N travels down a smooth curved track AB joined to a rough horizontal surface (figure). The rough surface has a friction coefficient of 0.20 with the block. If the block starts slipping on the track from a point 1.0 m above the horizontal surface, the distance it will moves on the rough surface is
  • a)
    5.0 m
  • b)
    10.0 m
  • c)
    15.0 m
  • d)
    20.0 m
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A block weighing 10 N travels down a smooth curved track AB joined to ...
Let the velocity at point B be v.
By conservation of energy, mgh = (1/2 ) mv⇒ v = √(2gh​)
Now deceleration due to friction is a = μg = 0.2 g
So stopping distance, s = v2/(2a) ​= (2gh) / (0.4g) = 5 h = 5 × 1 = 5m
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Most Upvoted Answer
A block weighing 10 N travels down a smooth curved track AB joined to ...
Let the distance travelled by block on rough surface be x.
Here ∆KE=0 .
So by work energy theorem,
Wnet=∆KE=0 ,
mgh=μmgx ,
x=h/μ ,
x=1/0.2 ,
x =5m
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Community Answer
A block weighing 10 N travels down a smooth curved track AB joined to ...
Let the velocity at point B be v.
By conservation of energy, mgh = (1/2 ) mv⇒ v = √(2gh​)
Now deceleration due to friction is a = μg = 0.2 g
So stopping distance, s = v2/(2a) ​= (2gh) / (0.4g) = 5 h = 5 × 1 = 5m
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A block weighing 10 N travels down a smooth curved track AB joined to a rough horizontal surface (figure). The rough surface has a friction coefficient of 0.20 with the block. If the block starts slipping on the track from a point 1.0 m above the horizontal surface, the distance it will moves on the rough surface isa)5.0 mb)10.0 mc)15.0 md)20.0 mCorrect answer is option 'A'. Can you explain this answer?
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A block weighing 10 N travels down a smooth curved track AB joined to a rough horizontal surface (figure). The rough surface has a friction coefficient of 0.20 with the block. If the block starts slipping on the track from a point 1.0 m above the horizontal surface, the distance it will moves on the rough surface isa)5.0 mb)10.0 mc)15.0 md)20.0 mCorrect answer is option 'A'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A block weighing 10 N travels down a smooth curved track AB joined to a rough horizontal surface (figure). The rough surface has a friction coefficient of 0.20 with the block. If the block starts slipping on the track from a point 1.0 m above the horizontal surface, the distance it will moves on the rough surface isa)5.0 mb)10.0 mc)15.0 md)20.0 mCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A block weighing 10 N travels down a smooth curved track AB joined to a rough horizontal surface (figure). The rough surface has a friction coefficient of 0.20 with the block. If the block starts slipping on the track from a point 1.0 m above the horizontal surface, the distance it will moves on the rough surface isa)5.0 mb)10.0 mc)15.0 md)20.0 mCorrect answer is option 'A'. Can you explain this answer?.
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