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MHT CET Physics question

PhysicsOscillationsMHT CET

A particle is executing S.H.M. with amplitude A. At displacement , force acting on the particle is F, potential energy of the particle is P.E., velocity of particle is v and kinetic energy is K.E. If potential energy to be zero at mean position, then at displacement

Answer: (D)

Solution

Force magnitude becomes 2F (not 4F), becomes 4 P.E. (not 2 P.E.), and gives

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Question ID VK-068038