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Two blocks, of masses M and 2M, are connected to a light spring of spring constant K such that one end fixed, as shown in figure. The horizontal surface and the pulley are frictionless. The blocks are released from rest when the spring is deformed. The string is light
  • a)
    Maximum extension in the spring is
  • b)
    Maximum kinetic energy of the system is
  • c)
    When kinetic energy of the system is maximum, energy stored in the spring is
  • d)
    Maximum energy stored in the spring is four times that of maximum kinetic energy of the system
Correct answer is option 'A,B,D'. Can you explain this answer?
Most Upvoted Answer
Two blocks, of masses M and 2M, are connected to a light spring of sp...
Maximum extension will be at the moment when both masses stop momentarily after going down.
Applying W-E theorem from starting to that instant
kf - kt = Wgr + Wsp + Wten
System will have maximum KE when net force on the system becomes zero. Therefore,
Hence, KE will be maximum when 2M mass has gone down by 2Mg/K
Applying W/E theorem
Maximum energy of spring =
Therefore, maximum spring energy = 4 × maximum K.E.
When K.E. is maximum,
Spring energy
=
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Two blocks, of masses M and 2M, are connected to a light spring of spring constant K such that one end fixed, as shown in figure. The horizontal surface and the pulley are frictionless. The blocks are released from rest when the spring is deformed. The string is lighta)Maximum extension in the spring is b)Maximum kinetic energy of the system is c)When kinetic energy of the system is maximum, energy stored in the spring is d)Maximum energy stored in the spring is four times that of maximum kinetic energy of the systemCorrect answer is option 'A,B,D'. Can you explain this answer?
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Two blocks, of masses M and 2M, are connected to a light spring of spring constant K such that one end fixed, as shown in figure. The horizontal surface and the pulley are frictionless. The blocks are released from rest when the spring is deformed. The string is lighta)Maximum extension in the spring is b)Maximum kinetic energy of the system is c)When kinetic energy of the system is maximum, energy stored in the spring is d)Maximum energy stored in the spring is four times that of maximum kinetic energy of the systemCorrect answer is option 'A,B,D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Two blocks, of masses M and 2M, are connected to a light spring of spring constant K such that one end fixed, as shown in figure. The horizontal surface and the pulley are frictionless. The blocks are released from rest when the spring is deformed. The string is lighta)Maximum extension in the spring is b)Maximum kinetic energy of the system is c)When kinetic energy of the system is maximum, energy stored in the spring is d)Maximum energy stored in the spring is four times that of maximum kinetic energy of the systemCorrect answer is option 'A,B,D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two blocks, of masses M and 2M, are connected to a light spring of spring constant K such that one end fixed, as shown in figure. The horizontal surface and the pulley are frictionless. The blocks are released from rest when the spring is deformed. The string is lighta)Maximum extension in the spring is b)Maximum kinetic energy of the system is c)When kinetic energy of the system is maximum, energy stored in the spring is d)Maximum energy stored in the spring is four times that of maximum kinetic energy of the systemCorrect answer is option 'A,B,D'. Can you explain this answer?.
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