Figure shows a smooth track which consists of a straight inclined part of length l joining smoot...

Question From - HC Verma PHYSICS Class 11 Chapter 08 Question – 062 WORK AND ENERGY CBSE, RBSE, UP, MP, BIHAR BOARD

QUESTION TEXT:-
Figure shows a smooth track which consists of a straight inclined part of length l joining smoothly with the circular part. A particle of mass m is projected up the incline from its bottom. a.Find the minimum projected speed `v_0` for which the particle reaches the top of the track. b. Assuming that the projection speed is `2v_0` and that the block does not lose contact with the track before reading its top, find teh force acting on it whenit reaches the top. c. Assuming that teh projection speed is only slightly greater than `v_0` where will the block lose contact with the track?

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