What is the total kinetic eneryg of a solid sphere rolling on a surface and having translational velocity v?

Which of the diagrams in the figure correctly shows the change in kinetic energy of an iron sphere falling freely in a lake having sufficient depth to impart it a terminal velocity?

Find electric field due to solid sphere of charge at a point on the surface.

Separation of mmotion of a systme of particles into motion of the centre of mass and motion about the centre of mass Show K = K + 1/2 MV^2 , where k is the total kinetic energy of the system of particles, K is the total kinetic energy of the system when the particle velcoities are taken with respect to the centre of mass and MV^2//2 is the kinetic energy of the translation of the system as a whole (i,e of the centre of mass motion of the system).

What is the condition for rolling of a solid cylinder withuot slipping on an inclined plane?

Which would have greater effect on the kinetic energy of an object-doubling the mass of doubling the velocity.

What will be the kinetic energy of a body when its mass is made four times and the velocity is doubled?

The total kinetic energy of all the molecules of helium having a volume V exerting a pressure P is 1500 J. The total kinetic energy in joules of all the molecules of N_2 having the same volume V and exerting pressue 2P is:

A solid conducting sphere having a charge Q is surrounded by an uncharged concentric hollow spherical shell. Let the potential difference between the surface of the solid sphere and that of the outer surface of the hollow shell be v. If the shell is now given a charge of -3 Q, the new potential difference between the same two surfaces is _____.

The radius of a solid hemispherical toy is 3.5 cm. Find its total surface area.