Roads are banked on curves so that

Railway tracks are banked at the curves so that :

Railway tracks are banked at the curves so that :

Railway tracks are banked at the curves so that :

Railway tracks are banked at the curves so that :

A car is moving along the horizontal banked curved road . At banked curvve road, the normal reaction is

A car of mass 1000kg negotiates a banked curve of radius 90m on a fictionless road. If the banking angle is 45^(@) the speed of the car is: