[" 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 "]

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:

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:

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:

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:

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 car is :

A car of mass 1000 kg is negotiating an unbanked curve of radius 20 m. If the coefficient of friction is 0.5 and g = 10 m//s^(2) the maximum safe speed of the car is