A very small particle rests on the top of a hemisphere of radius 20 cm. Calculate the smallest horizontal velocity to be given to it if it is to leave the hemisphere without sliding down its surface. Take `g = 9.8 ms^(-2)`.

A small particle rest on the top of a hemisphere of radius 20 cm .The smallest horizontal velocity os given to it , if it is to leave the hemisphere without sliding down to its surface ,is

A body rest on the top of a hemisphere of radius R. What will be the least horizontal velocity imparted to it , if it has to leave the hemisphere without sliding down?

A partcle rests on the top of a hemisphere of radius R. Find the smallest horizontal velocity that must be imparted to the particle if it is to leave the hemisphere without sliding down :

A small disc is on the top of a hemisphere of radius R . What is the smallest horizontal velocity v that should fbe given to the disc for it to leave the hemisphere and not slide down it?[There is no friction]

Find the horizontal velocity of the particle when it reach the point Q. Assume the block to be frictionless. Take g=9.8 m//s^(2) .

A particle rests on the top of a smooth hemisphere of radius r . It is imparted a horizontal velocity of sqrt(etagr) . Find the angle made by the radius vector joining the particle with the vertical at the instant the particle losses contact with the sphere.

Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 10 cm. Take g=9.8 ms^(-2) .

A particle slides down from the top outside smooth surface of a fixed sphere of radius a=10m . The initial horizontal velocity to be imparted to the particle at the top is 5Km/s ,if it leaves the surface at a point whose vertical height above the centre of sphere is 3a/4. Find the value of K

Find the velocity of escape at the earth given that its radius is 6.4xx^(6) m and the value of g at its surface is 9.8ms^(-2)