A fly over bridge is in the form of a circular are of radius 30 m. Find the limiting speed at which a car can cross the bridge without losing contact with the road at the highest point. Assume the centre of gravity of the car to be 0.5 m above the road.

If the section of a bridge on a river is an arc of a circle of radius 88.2m, then the maximum speed with which a car can travel over the bridge without losing contact with the ground level will be

The vertical section of a road over a bridge is in the form of circle of radius 15.5 m. What will be the maximum velocity with which a car, whose centre of gravity is 0.5 m above the ground can cross the bridge without losing contact with the surface of bridge at the highest point ?

A bend in a level road has a radius of 100 m Find the maximum speed which a car turning this bend may have without skidding if coefficient of friction between the tyres and the road is 0 .8 S .

A motor car is travelling 20 m//s on a circular road of radius 400 m. If it increases its speed at the rate of 1 m//s^2 , then its acceleration will be

An unbanked curve has a radius of 60 m. The maximum speed at which a car can make a turn if the coefficient of static friction is 0.75, is

The towers of a bridge, hung in the form of a parabola havee their tops 30 meters above the road way and are 200 meters apart. If the cable is 5 meters above the road way at the centre of the bridge, find the length of the vertical supporting cable 30 meters from the centre.

A 100 kg car is moving with a maximum velocity of 9 m//s across a circular track of radius 30 m . The maximum force of friction between the road and the car is

A car of mass 800 kg moves on a circular track of radius 40 m. If the coefficient of friction is 0.5, then maximum velocity with which the car can move is

A circular road of radius 1000 m has banking angle 45^@ . The maximum safe speed of a car having mass 2000 kg will be, if the coefficient of friction between tyre and road is 0.5

A crate of egg is located in the middle of the flat bed of a pick up truck as the truck negotiates an unbanked curve in the road. The curve may be regarded as an arc of circle of radius 35m. IF the coefficient of friction between the crate and the flat bed of the truck is 0.6, the speed with which the truck should turn so that the crate does not slide over the bed is