Work, Power and EnergyHard
Question
A solid sphere is moving and it makes an elastic collision with another stationary sphere of half of its own radius. After collision it comes to rest. The ratio of the densities of materials of second sphere and first sphere is -
Options
A.2
B.4
C.8
D.16
More Work, Power and Energy Questions
The figure indicates the energy level diagram of an atom and the origin of six spectral lines in emission (e.g. line no....The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is :-...An ideal spring with spring constant k is hung from the ceiling and a block of mass M is attached to its lower end. The ...If the water falls from a dam into a trubine wheel 19.6 m below, them the velocity of water at the turiners, is (take g ...Two particles each of mass m travelling with velocities u1 and u2 collide perfectly inelastically. The loss of kinetic e...