Three solid spheres each of mass `m` and radius `R` are released from the position shown in Fig. What is the speed of any one sphere at the time of collision?

Three solid spheres of mass M and radius R are placed in contact as shown in figure. Find the potential energy of the system ?

Three solid sphere of mass M and radius R are placed in contact as shown in figure. Find the potential energy of the system ?

Three solid sphere of mass M and radius R are placed in contact as shown in figure. Find the potential energy of the system ?

A solid sphere of mass M and radius R is pulled by a force F as shown in figure . If the sphere does not slip over the surface , then frictional force acting on the sphere is

A solid sphere of mass M and radius R is pulled by a force F as shown in figure . If the sphere does not slip over the surface , then frictional force acting on the sphere is

Three spheres, each mass M and radius R, are arranged as shown in the figure . The moment of inertia of the system will be

A solid sphere of mass m and radius R is rolling without slipping as shown in figure. Find angular momentum of the sphere about z-axis.