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A ring of mass m can slide over a smooth vertical rod. The ring is connected to a spring of force constant k = 4mg/R  where 2R is the natural length of the spring. The other end of the spring is fixed to the ground at a horizontal distance 2 from the base of the rod. The mass is released at a height of 1.5R from the ground.
  • a)
    the velocity of the ring when it reaches the ground will be   
  • b)
    the velocity of the ring when it reaches the ground will be 
  • c)
    work done by the spring will be 9mgR
  • d)
    work done by the spring will be 3mgR/2
Correct answer is option 'A'. Can you explain this answer?
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A ring of massmcan slide over a smooth vertical rod. The ring is conne...


The correct answer is: the velocity of the ring when it reaches the ground will be  
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A ring of massmcan slide over a smooth vertical rod. The ring is connected to a spring of force constantk=4mg/R where2Ris the natural length of the spring. The other end of the spring is fixed to the ground at a horizontal distance2Rfrom the base of the rod. The mass is released at a height of1.5Rfrom the ground.a)the velocity of the ring when it reaches the ground will be b)the velocity of the ring when it reaches the ground will bec)work done by the spring will be9mgRd)work done by the spring will be3mgR/2Correct answer is option 'A'. Can you explain this answer?
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A ring of massmcan slide over a smooth vertical rod. The ring is connected to a spring of force constantk=4mg/R where2Ris the natural length of the spring. The other end of the spring is fixed to the ground at a horizontal distance2Rfrom the base of the rod. The mass is released at a height of1.5Rfrom the ground.a)the velocity of the ring when it reaches the ground will be b)the velocity of the ring when it reaches the ground will bec)work done by the spring will be9mgRd)work done by the spring will be3mgR/2Correct answer is option 'A'. Can you explain this answer? for Physics 2025 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about A ring of massmcan slide over a smooth vertical rod. The ring is connected to a spring of force constantk=4mg/R where2Ris the natural length of the spring. The other end of the spring is fixed to the ground at a horizontal distance2Rfrom the base of the rod. The mass is released at a height of1.5Rfrom the ground.a)the velocity of the ring when it reaches the ground will be b)the velocity of the ring when it reaches the ground will bec)work done by the spring will be9mgRd)work done by the spring will be3mgR/2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Physics 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ring of massmcan slide over a smooth vertical rod. The ring is connected to a spring of force constantk=4mg/R where2Ris the natural length of the spring. The other end of the spring is fixed to the ground at a horizontal distance2Rfrom the base of the rod. The mass is released at a height of1.5Rfrom the ground.a)the velocity of the ring when it reaches the ground will be b)the velocity of the ring when it reaches the ground will bec)work done by the spring will be9mgRd)work done by the spring will be3mgR/2Correct answer is option 'A'. Can you explain this answer?.
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