A sphere moving with a speed `v_(0)` on a smooth surface suddenly enters on a rough horizontal surface as shown. The angular momentum of the sphere about any point on the surface is conserved.

A sphere moving with a velocity v_(0) on a smooth surface suddenly enters on a rough horizontal surface as shown in Fig. State which of the following statements are true or false a. The sphere loses translational kinetic energy and gains rotational kinetic energy. b. The total energy of the sphere is conserved. c. The angular momentum of the sphere about any point OD the surface is conserved. d. The final velocity attained by the centre of mass is 2v_(0)//3 .

A sphere moving with a velocity v_(0) on a smooth surface suddenly enters on a rough horizontal surface as shown in Fig. State which of the following statements are true or false a. The sphere loses translational kinetic energy and gains rotational kinetic energy. b. The total energy of the sphere is conserved. c. The angular momentum of the sphere about any point OD the surface is conserved. d. The final velocity attained by the centre of mass is 2v_(0)//3 .

A sphere rolling on a horizontal rough surface Collides elastically with a smooth vertical wall, as shown in Fig. State which of the following statements is true or false. a. After collision, the velocity of the centre of mass gets reversed. b. Angular momentum of the sphere about the point of contact with the wall is conserved. c. Angular momentum of the sphere about a stationary point on the horizontal surface is conserved. d. Just after collision the point of contact with the horizontal surface is moving towards the wall. e. After collision the friction force acts on the sphere such that it decreases the linear speed and increases the angular speed. f. Finally, when the sphere starts rolling, it is moving away from the wall.

A sphere rolling on a horizontal rough surface Collides elastically with a smooth vertical wall, as shown in Fig. State which of the following statements is true or false. a. After collision, the velocity of the centre of mass gets reversed. b. Angular momentum of the sphere about the point of contact with the wall is conserved. c. Angular momentum of the sphere about a stationary point on the horizontal surface is conserved. d. Just after collision the point of contact with the horizontal surface is moving towards the wall. e. After collision the friction force acts on the sphere such that it decreases the linear speed and increases the angular speed. f. Finally, when the sphere starts rolling, it is moving away from the wall.

A sphere rolls on a horizontal surface. Is there any point of the sphere which has a vertical velocity?

A sphere rolls on a horizontal surface. Is there any point of the sphere which has a vertical velocity?

A sphere rolls on a horizontal surface. Is there any point of the sphere which has a vertical velocity?

A sphere of mass M rolls without slipping on rough surface with centre of mass has constant speed v_0 . If its radius is R , then the angular momentum of the sphere about the point of contact is.