Home
Class 12
PHYSICS
A small ball of mass m is released from ...

A small ball of mass m is released from rest from the position shown . All contact surface are smooth . The speed of the ball when it reaches its lowest position is

A

`sqrt((2gR)/3)`

B

`sqrt((4gR)/3)`

C

`sqrt(gR)`

D

`sqrt(2gR)`

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NTA NEET SET 49

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 51

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Two small balls of equal mass are joined by a light rigid rod. If they are released from rest in the position shown and slide on the smooth track in the vertical plane, the speed of balls when A reaches B's position and B is at B is r=0.25m B

A pendulum is released from rest from horizontal position as shown. The tangential acceleration when the pendulum reacheda t lowest when the pendulum reached at lowest position on its path is

Knowledge Check

  • A small block of mass m is released from rest from position A inside a smooth hemispherical bowl of radius R as shown in figure. Choose the wrong option (s)

    A
    acceleration to block is constant throughout
    B
    acceleration of block is `g` at `A`
    C
    acceleration of block is `3g` at `B`
    D
    acceleration of block is `2g` at `B`

  • A ball of mass m is released from A inside a smooth wedge of mass m as shown in figure. What is the speed of the wedge when the ball reaches point B?

    A
    (a) `((gR)/(3sqrt2))^(1//2)`
    B
    (b) `sqrt(2gR)`
    C
    (c) `((5gR)/(2sqrt3))^(1//2)`
    D
    (d) `sqrt(3/2gR)`

  • A small block of mass m is released from rest from position A inside a smooth hemispherical bowl of radius R as shown in figure Choose the wrong option.

    A
    Acceleration of block is constant throughout
    B
    Acceleration of block is g at A
    C
    Acceleration of block is 3g at B
    D
    Acceleration of block is 2g at B

    • Similar Questions

    Explore conceptually related problems

    Figure shows a block A of mass 6 m having a smooth semicircular groove of radius a placed on a smooth horizontal surface. A block B of mass m is released from a position in groove where its radius is horizontal. Find the speed of the bigger block when the smaller block reaches its bottom most position.

    A unifrom solid disk of radius R and mass M is free to rotate on a frictionless pivot through a point on its rim. If the disk is released from rest in the position shown in figure. The speed of the lowest point on the disk in the dashed position is. .

    An object of mass m is released from rest from the top of a smooth inclined plane of height h. Its speed at the bottom of the plane is proportional to

    If the masses are released from the position shown in figure then the speed of mass m1 just before it strikes the floor is -

    A particle A of mass m is situated at highest point of wedge B of mass 2m is released from rest. Then distance travelled by wedge B ( with respect to ground ) when particle A reaches at lowest position. Assume all surfaces are smooth.

    Home
    Profile