An elastic string of natural length 4a is fixed at one end to a point O.its hangs vertically and carries at its other end a particle of mass 2m , In the position of equilibrium ,the length of the string is 5a Find, i)The modulus of elasticity of the string ii)The period of small vertical oscillations of the particle when it is pulled downward from its equilibrium position and then released

An elastic string of natural length 4a is fixed at one end to a point O.its hangs vertically and carries at its other end a particle of mass 2m , In the position of equilibrium ,the length of the string is 5a Find, i)The modulus of elasticity of the string ii)The period of small vertical oscillations of the particle when it is pulled downward from its equilibrium position and then released

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Question

i)The modulus of elasticity of the string

ii)The period of small vertical oscillations of the particle when it is pulled downward from its equilibrium position and then released

With explanations please

NB:please the question is complete it was given to me like these but you keep rejecting it

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