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A given object takes n times more time to slide down 45° rough inclined plane as it takes to slide down a perfectly smooth 45° incline. The coefficient of kinetic friction between the objects and the incline is.
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A given object takesntimes more time to slide down 45° rough incli...

For smooth plane  a = g sinθ 
For rough plane, a' = g(sinθ - μcosθ)
∴ t' = nt

when θ = 45° ,  sinθ = cosθ = 1/√2
On solving we get, 
The correct answer is: 
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Most Upvoted Answer
A given object takesntimes more time to slide down 45° rough incli...

For smooth plane  a = g sinθ 
For rough plane, a' = g(sinθ - μcosθ)
∴ t' = nt

when θ = 45° ,  sinθ = cosθ = 1/√2
On solving we get, 
The correct answer is: 
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