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Per NCERT §5.9 Fig 5.8, at the equilibrium position (x = 0) of a spring-mass system, the kinetic energy is which?
AEqual to spring PE
BMaximum
CZero
DHalf of PE
Answer & Solution
Correct answer: B. Maximum
NCERT Fig 5.8: at x=0, V = 0 so K = E_total maximum.
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