A mass of 75 kg is suspended from a spring of stiffness 15kN/m of extension. When...
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A mass of 75 kg is suspended from a spring of stiffness 15kN/m of extension. When the mass is slightly displaced from equilibrium, it vibrates freely with an amplitude of 36mm. Determine; (i) The periodic time of the system [1 mark] (ii) The frequency of vibration (iii) The velocity and acceleration when the mass is displaced 16 mm from the equilibrium position [2 marks] (iv) Maximum velocity and acceleration attained. [2 marks] A mass of 75 kg is suspended from a spring of stiffness 15kN/m of extension. When the mass is slightly displaced from equilibrium, it vibrates freely with an amplitude of 36mm. Determine; (i) The periodic time of the system [1 mark] (ii) The frequency of vibration (iii) The velocity and acceleration when the mass is displaced 16 mm from the equilibrium position [2 marks] (iv) Maximum velocity and acceleration attained. [2 marks]
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