A ring of mass 1 kg can slide on smooth certical rod shown in fig. The ring is connected to a spring of spring constant R = 40 N/m and natural length of spring is 0.2 m. The ring is taken at a height of 1.5 m and released .Find the velocity of ring when it reaches point C (in m/s)

Dear Student,

length of the spring for position pl=6.25=2.5 m length of the spring for the point Cl'=2 m mv22=4022.32-1.82+mg1.5v22=41+15v=112m/sbest of my knowledge

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