A particle of mass ‘m’ performs oscillatory motion of amplitude A on the x –axis, about the origin
the restoring force on the particle is given by F = cx³ . Where C is constant and x is the
instantaneous displacement. The period of oscillation is
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Answer:it is inversely proportional to A
Explanation:it is what i want to know
Answered by
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Hence the period of oscillation is T∝ 1 / √ a
Explanation:
V(x)=K∣x∣^3
[K] = [V] / [x]^3 = [ML^ 2 T^ −2 ] / [L^3 ]
[K] = [ML^−1 T^ −2 ]
Now time period may depends on
T ∝ (mass)^x (amplitude)^y (K)^ z
[M ^0 L^0 T]=[M]^x [L]^y [ML^−1 T −2 ]^z
Equating powers we get,
−2z = 1, z = −1 / 2
y − z = 0, y = − 1 / 2
as
T ∝ (amplitude)^y
T ∝ (a)^ -1/2
T∝ 1 / √ a
Hence the period of oscillation is T∝ 1 / √ a
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