A particle executes simple harmonic acceleration with an amplitude α in the period of oscillation is the minimum time taken by the particle to travel half of the amplitude from the equilibrium position is
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Acceleration in SHM
It is velocity per unit time. ... The differential equation of linear S.H.M. is d2x/dt2 + (k/m)x = 0 where d2x/dt2 is the acceleration of the particle, x is the displacement of the particle, m is the mass of the particle and k is the force constant.
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Question : The minimum time taken by the particle to travel half of the amplitude from the equilibrium position is?
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Let the displacement equation of the particle executing SHM is
x = asin ωt
As the particle travels half of the amplitude from the equilibrium position, so
x = a/2
Therefore, a/2 asin ωt
Sin ωt = 1/2 = sin π/6
ωt = π/6 or t = π/6ω
t = π/6 [ 2π/T ] [ as ω = 2π/T ]
t = T/12
Hence the particle travels half of the amplitude from the equilibrium in T/12 second !
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