Test Academy | What should be the elevation of outer track of the train to move in a circular path of radius R, width of the track is w (< < R) and speed of the train is v ? (Neglect friction) v2w / Rg, v2w / 2Rg, gwv2 / R, R / gwv2

Question

What should be the elevation of outer track of the train to move in a circular path of radius R, width of the track is w (< < R) and speed of the train is v ? (Neglect friction)

Options :

v²w / Rg
v²w / 2Rg
gwv² / R
R / gwv²

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