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13.A ball moves over a fixed track as shown .from A to B the ball rolls without slipping. If surface Bc is frictionless and Ka,Kb and Kc are kinetic energies of ball at A,B and C respectively, then ( refer to the image |
| Answer» 13.A ball moves over a fixed track as shown .from A to B the ball rolls without slipping. If surface Bc is frictionless and Ka,Kb and Kc are kinetic energies of ball at A,B and C respectively, then ( refer to the image | |