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A particle of mass  m  is moving in a horizontal circle of radius  R  with uniform speed v. When it moves from one point to a diametrically opposite point, its [1989]
  • a)
    kinetic energy changes by mv2/4
  • b)
    momentum does not change
  • c)
    momentum changes by 2 mv
  • d)
    kinetic energy changes by mv2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A particle of mass m is moving in a horizontal circle of radius R with...
At A, momentum = mv
Energy =
At B, momentum = –mv
Energy = 
Change in momentum = mv - (-mv) = 2mv
Change in energy =
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A particle of mass m is moving in a horizontal circle of radius R with uniform speed v. When it moves from one point to a diametrically opposite point, its [1989]a)kinetic energy changes by mv2/4b)momentum does not changec)momentum changes by 2 mvd)kinetic energy changes by mv2Correct answer is option 'C'. Can you explain this answer?
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A particle of mass m is moving in a horizontal circle of radius R with uniform speed v. When it moves from one point to a diametrically opposite point, its [1989]a)kinetic energy changes by mv2/4b)momentum does not changec)momentum changes by 2 mvd)kinetic energy changes by mv2Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A particle of mass m is moving in a horizontal circle of radius R with uniform speed v. When it moves from one point to a diametrically opposite point, its [1989]a)kinetic energy changes by mv2/4b)momentum does not changec)momentum changes by 2 mvd)kinetic energy changes by mv2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A particle of mass m is moving in a horizontal circle of radius R with uniform speed v. When it moves from one point to a diametrically opposite point, its [1989]a)kinetic energy changes by mv2/4b)momentum does not changec)momentum changes by 2 mvd)kinetic energy changes by mv2Correct answer is option 'C'. Can you explain this answer?.
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