Two bodies of equal masses move with unifor veocitits `upsilon and 3 upsilon` respectvely. Find the ratio of their kinetic energies.

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.

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.

If two bodies of masses 3 gm and 5 gm are moving with linear momenta in the ratio 2 : 3, the ratio of their kinetic energies is

Two bodies of mass 1 kg and 2 kg have equal momentum. The ratio of their kinetic energies is

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 ?