Home
Class 12
PHYSICS
A small ball describes a horizontal circ...

A small ball describes a horizontal circle on the smooth inner surface of a conical funnel. If the height of the plane of the circle above the vertex of the cone is 10 cm, the speed of the particle is

A

2 `m//s`

B

1 `m//s`

C

4 `m//s`

D

10 `m//s`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A particle describes a horizontal circle on thesmooth innersurface of a conicalfunnel whose vertex angle is 90^@ . If the height of the plane of the circle above the vertex is 9.8 cm, the speed of the particle is

A particle describes a horizontal circle in a conical funne whoses inner surface is smooth with speed of 0.5m//s . What is the height of the plane of circle from vertex the funnel?

A mass 2 kg describes a circle of radius 1 m on a smooth horizontal table at a uniform speed .If is joined to the centre of the circle by a string, which can just withstand 32 N, then the greatest number of revolution per minute , perfomed by the mass would be

One end of string of length l is connected to a particle on mass m and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed v the net force on the particle (directed toward centre) will be ( T reprents the tension in the string):

An L-shaped tube with a small orifice is held in a water stream as shown in fig. the upper end of the tube is 10.6 cm above the surface of water. What will be the height of the jet of water coming from the orifice? (Velocity water steam is 2.45 m//s )

In a conical pendulam, when the bob moves in a horizontal circle of radius r with uniform speed v, the string of length L describes a cone of semivertical angle theta . The tension in the string is given by

A ball of mass 100 g released down an inclined plane describes a circle of radius 10 cm in the vertical plane on reaching the bottom of the inclined plane. The minimum height of the incline is

Semi - vertical angle of the conical section of a funnel is 37^@ . There is a small ball kept inside the funnel. On rotating the funnel, the maximum speed that the ball can have in order to remain in the funnel is 2 m/s. Calculate inner radius of the brim of the funnel . Is there any limit upon the frequency of rotation ? How much is it ? Is it lower or upper limit ? Given a logical reasoning. (Use g = 10 m/s^2 and sin 37^@ =0.6)