Home
Class 11
PHYSICS
A hemispherical bowl of radius R si set ...

A hemispherical bowl of radius R si set rotating about its axis of symmetry which is kept vertical. A small block kept in the bowl rotates with the bowl without slipping on its surface. If the surfaces of the bowl is smooth, and the angle made by the radius through the block with the vertical is `theta`, find the angular speed at which the bowl is rotating.

A

`sqrt((g)/(R cos theta))`

B

`sqrt((g cos theta)/(R ))`

C

`sqrt((g sin theta)/( R))`

D

`sqrt((g)/(R sin theta))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A hemispherical bowl of radius R si set rotating abouv its axis of symmetry whichis kept vertical. A small blcok kept in the bowl rotates with the bowl without slippingn on its surface. If the surfaces of the bowl is mooth, and the abgel made by the radius through the block with the vertical is theta , find the angular speed at which the bowl is rotating.

A hemispherical bowl of radius R si set rotating abouv its axis of symmetry whichis kept vertical. A small blcok kept in the bowl rotates with the bowl without slippingn on its surface. If the surfaces of the bowl is mooth, and the abgel made by the radius through the block with the vertical is theta , find the angular speed at which the bowl is rotating.

A hemispherical bowl of radius R is rotated about its axis of symmetry which is kept vertical.A small block is kept in the bowl at a position where the radius makes an angle theta with the vertical. The block rotates with the bowl without any slipping. The friction coefficient between the block and the bowl surface is mu . Find the range of the angular speed for which the block will not slip.

A hemispherical bowl of radius R is rotating about its own axis (which is vertical) with an angular velocity omega . A particle on the frictionless inner surface of the bowl is also rotating with the same omega . The particle is a height h from the bottom of the bowl. (i) Obtain the relation between h and omega _________ (ii) Find minimum value of omega needed, in order to have a non-zero value of h _____________ .

A spherical bowl of radius R rotates about the verical diameter with angular velocity omega .The bowl contains a small object inside and in absence of friction, this object takes up a position inside the bowl such that its radius vector makes an angle theta with the vertical (see figure). Then

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.

A hemispherical bowl of radius R carries a uniform surface charge density sigma . Find the potential at the topmost point A, taking potential at infinity to be zero.

A ring of radius r is rotating about a vertical axis along its diameter with constant angular velocity omega.A read of mass m remains at rest w.r.t. ring at the position shown in figure. Then w^(2) is: