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Could you please help me to derive the two equations below? T= 2*pi*sqrt(m/k) T=2*pi*sqrt(l/g)

Could you please help me to derive the two equations below?

T= 2*pi*sqrt(m/k)

T=2*pi*sqrt(l/g)

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Solution) spring T = 20 force, &=-ka m a= ukje In SHM, a = - wir= -1 * (4) » - Equating both, T4 kun ) n = - ( 47 ) = 7² = 4x

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