Calculate the greatest speed with which a car may pass over a humpback bridge without leaving the ground if the bridge forms the arc of a vertical circle of radius 8 m. Calculate the maximum speed...

Calculate the greatest speed with which a car may pass over a humpback bridge without leaving the ground if the bridge forms the arc of a vertical circle of radius 8 m.

Calculate the maximum speed with which a vehicle can travel round a corner, unbanked and horizontal, of radius 50 m without skidding. The coeffcient of friction between the tyres and road is 0.6.