Solve the previous problem if the paperweight is inverted at its palce so that the spherical surface touches the paper.

Solve the previous problem if the paperweight is inverted at its place so that the spherical surface touches the paper

Find the image shift if the paperweight is inverted at its place so that the spherical surface touches the paper

Find the image shift if the paperweight is inverted at its place so that the spherical surface touches the paper

Solve the previous problem if the pulley has a moment of inertia I about its axis and the string does not slip over it.

Solve the previous problem , if particles moving in opposite direction.

Solve the prievious problem if the lead piece is fastened on the top surface of the block and the block is to float with its upper surface just dipping into water.