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A railway track is banked for a speed v,...

A railway track is banked for a speed v, by making the height of the outer rail h higher than that of the inner rail. If the distance between the rails is l and the radius of the curvature of the track is r, then

A

`h/l=v^2/(rg)`

B

`tan{sin^-1(h/l)}=v^2/(rg)`

C

`tan^-1(h/l)=v^2/(rg)`

D

`h/r=v^2/(lg)`

Text Solution

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The correct Answer is:
B
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