A friction wire AB is fixed on a sphere of radius R. A very small spherical ball slips on this wire. The time taken by the ball to slip from A to B.

A frictionless wire is fixed between A and B inside a circle of radius R . A small bead slips along the wire. Find the time taken by the bead to slip from A to B .

A frictionless wire is fixed between A and B inside a circle of radius R . A small bead slips along the wire. Find the time taken by the bead to slip from A to B .

A frictionless wire is fixed between A and B inside of a hollow sphere of radius R as shown. A beam slips along the wire starting from the rest at point A . The time taken by the beam to slip from A to B will be

A frictionless wire is fixed between A and B inside of a hollow sphere of radius R as shown. A beam slips along the wire starting from the rest at point A . The time taken by the beam to slip from A to B will be

(a) How many balls of radius 1 cm can be drawn by melting metallic sphere of radius 3 cm? (b) The small spherical balls of diameter 0.6 cm are drawn by melting solid metallic sphere of 3cm radius .Find the number of small balls constructed.

(a) How many balls of radius 1 cm can be drawn by melting metallic sphere of radius 3 cm? (b) The small spherical balls of diameter 0.6 cm are drawn by melting solid metallic sphere of 3cm radius .Find the number of small balls constructed.

A solid sphere of radius 3 cm is melted and then recast into small spherical balls each of diameter 0.6 cm. Find the number of balls.

A uniform ball of radius r rolls without slipping down from the top of a sphere of radius R Find the angular velocity of the ball at the moment it breaks off the sphere. The initial velocity of the ball is negligible.

A uniform ball of radius r rolls without slipping down from the top of a sphere of radius R Find the angular velocity of the ball at the moment it breaks off the sphere. The initial velocity of the ball is negligible.