a smooth rod is mounted horizontolly just above the table top a 10 kg collar which is able to slide on the rod with negligible friction is fastened to a spring whose other end is attached to a pivot at O.the spring has a negligible mass , a relaxed length of 10 cm and a spring constant of 500 n/m. the collar is released fronm the rest then 1.velocity as the collar passes point

Dear student,

Use mg=1/2kx2

usev=dx/dt

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