Home
Class 12
PHYSICS
The roadway bridge over a canal is the f...

The roadway bridge over a canal is the form of an arc of a circle of radius 20 m. What is the minimum speed with which a car can cross the bridge without leaving contact with the ground at the highest point (g = 9.8 m/s2

A

`7 m//s`

B

`14 m//s`

C

`289 m//s`

D

`5 m//s`

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    DISHA|Exercise Physics|28 Videos

  • MOTION IN A STRAIGHT LINE

    DISHA|Exercise Physics|57 Videos

Similar Questions

Explore conceptually related problems

The railway bridge over a canal is in the form of an arc of a circle of radius 20m. What is the minimum speed with which a car can cross the bridge without leaving contact with the ground at the highest point ? Take g = 9.8 ms^(-2)

The railway bridge over a canal is in the from of an arc of a circle of radius 20m What is the minimum speed with which a car can cross the bridge without eving contact with the ground at the highest point Take g = 9.8ms^(-2) .

Knowledge Check

  • A national roadway bridge over a canal is in the form of an arc of a circle of radius 49 m. What is the maximum speed with which a car can move without leaving the ground at the highest point? (Take, g=9.8ms^(-2) )

    A
    `19.6ms^(-1)`
    B
    `40ms^(-1)`
    C
    `22ms^(-1)`
    D
    None of the above

  • The roadway of a bridge over a canal is in the form of a circular arc of radius 18 m. What is the greatest speed with which a motor cycle can cross the bridge without leaving ground.

    A
    `sqrt(98)` m/s
    B
    `sqrt(18 xx 9.8)` m/s
    C
    `18 xx 9.8` m/s
    D
    18/9.8 m/s

  • In 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

    A
    `29.4 m//s`
    B
    `9m//s`
    C
    `81 m//s`
    D
    `18 m//s`

    • Similar Questions

    Explore conceptually related problems

    The roadway bridge over a cannot is in the form of an arc of a circle of radius 20 m. what is the maximum speed with which a car cann cross the bridge without leaving the ground at the highet point ?

    A roadway bridge over a rivulet is in the form of quarter of a circle of radius 60 m. What is the maximum speed with which a car can pass over the bridge without leaving the ground at any point ?

    A block of mass m is in contact with the cart C as shown in the figure. The coefficient of static friction between the block and the cart is mu . The acceleration a of the cart that will prevent the block from falling satisfies: A bridge is in the from of a semi-circle of radius 40m. The greatest speed with which a motor cycle can cross the bridge without leaving the ground at the highest point is

    A flyover bridge is in the form of a circular are of radius 39.5 m . What is the limiting speed at which a car can cross the bridge without losing constact with the road , at the highest point ? [Assume that the centre of gravity of the car is 0.5 m above the road and g= 10m//s^(2) ]

    A bridge is in the form of a semicircle of radius 40m . The greatest speed with which a motorcycle can cross the bridge without leaving the ground at the highest point (frictional force is negligibly small)

    Home
    Profile