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A block of mass m slides on a frictionless table. It moves inside a ring of radius a. Let at time t = 0, the speed of block be V0. Given that the coefficient of friction between the block and the ring is μ, the velocity at any time t is
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
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A block of mass m slides on a frictionlesstable.It moves insidea ring ...
The force acting on the block are the normal force and the frictional force.

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A block of mass m slides on a frictionlesstable.It moves insidea ring ...
N = mv2/R 
fmax = μN = μmv2/R
:. Retardation a = fmax/m
= μv2/R
:. (−dv/dt) = μv2/R
or ∫(v0 to v)dv/v2 = −μ/R∫(0 to t)dt
or v = v0/(1 + μv0t/R)
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A block of mass m slides on a frictionlesstable.It moves insidea ring of radius a. Let at time t = 0, the speed of block be V0. Given that the coefficient of friction between the block and the ring is μ, the velocity at any time t isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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A block of mass m slides on a frictionlesstable.It moves insidea ring of radius a. Let at time t = 0, the speed of block be V0. Given that the coefficient of friction between the block and the ring is μ, the velocity at any time t isa)b)c)d)Correct answer is option 'C'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about A block of mass m slides on a frictionlesstable.It moves insidea ring of radius a. Let at time t = 0, the speed of block be V0. Given that the coefficient of friction between the block and the ring is μ, the velocity at any time t isa)b)c)d)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A block of mass m slides on a frictionlesstable.It moves insidea ring of radius a. Let at time t = 0, the speed of block be V0. Given that the coefficient of friction between the block and the ring is μ, the velocity at any time t isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?.
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