Two bodies of equal masses move with uniform velocities `upsilon and 3 upsilon` respectively. Find the ratio of their kinetic energies.

Two bodies of equal masses move with uniform velocities v and 3v respectively. Find the ratio of their kinetic energies.

(a) Define the term 'energy' of a body. What is the SI unit of energy. (b) What are the various from of energy ? (c) Two bodies having equal masses are moving with uniform speeds fo v and 2v respectively. Find the ratio of their kinetic energies.

Two objects having equal masses are moving with uniform velocities of 2 m/s and 6 m/s respectively. Calculate the ratio of their kinetic energies.

Two bodies of equal masses are moving with uniform velocities v and 2v. Find the ratio of their kinetic energies

Two objects having same mass 'm' are moving with velocities v and 2v. Find ratio of their kinetic energies.

Two objects having same mass 'm' are moving with velocities v and 2v. Find ratio of their kinetic energies.

Two conducting rings of radii r and 2r move in apposite directions with velocities 2 upsilon and upsilon respectively on a conducting surface S . There is a uniform magnetic field of magnitude B perpendicular to the plane of the rings. The potential difference between the highest points of the two rings is

Two conducting rings of radii r and 2r move in apposite directions with velocities 2 upsilon and upsilon respectively on a conducting surface S . There is a uniform magnetic field of magnitude B perpendicular to the plane of the rings. The potential difference between the highest points of the two rings is

A plane wave of frquency omega propagates so that a certain phase of oscillation moves along the x,y,z axes with velocities upsilon_(1), upsilon_(2), upsilon_(3) . Respectively. Find the wave vector k , assuming the unit vetors e_(x), e_(y), e_(z) of the coordinate axes to be assigned.

Two particles of masses m_(1) and m_(2) move with velocities upsilon_(1) and upsilon_(2) towards eachother on a smooth horizontal surface. What is the velocity of their centre of mass ?