A small ball starts moving from A over a fixed track as shown in the figure. Surface AB has friction. From A to B the ball rolls without slipping. Surface BC is frictionless. K A , K B and K C are kinetic energies of the ball at A, B and C, respectively. Then [figure] a) h A h C ; K B K C b) h A h C ; K C K A c) h A = h C ; K B = K C d) h A C ; K B K C

Question

A small ball starts moving from A over a fixed track as shown in the figure. Surface AB has friction. From A to B the ball rolls without slipping. Surface BC is frictionless. K A , K B and K C are kinetic energies of the ball at A, B and C, respectively. Then [figure] a) h A >h C ; K B > K C b) h A >h C ; K C > K A c) h A = h C ; K B = K C d) h A C ; K B > K C

Arun Kumar · Answer

Hi so A,B,D Thanks & Regards, Arun Kumar, Btech,IIT Delhi, Askiitians Faculty

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