A small particle slides from height H 45 cm as shown and then loops inside the vertical loop of radius R from where a section of

Question

A small particle slides from height H 45 cm as shown and then loops inside the vertical loop of radius R from where a section of angle 0 60 has been removed Find R in cm such that after losing contact at A and flying through the air the particle will reach at the point B Neglect friction everywhere A HA H B 60 R A VE H Vigh H

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