A car of mass 1000 kg negotiates a banke...

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

`5ms^(-1)`

`10ms^(-1)`

`20 ms^(-1)`

`30ms^(-1)`

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

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