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 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 elastic bodies P and Q having equal mases are moving along the same line with velocities of 16 m/s and 10 m/s respectively. Their velocities after the elastic collision will be in m/s :

Two elastic bodies P and Q having equal mases are moving along the same line with velocities of 16 m/s and 10 m/s respectively. Their velocities after the elastic collision will be in m/s :

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.

Linear momenta of two masses m and 2m are equal. What is the ratio of their respective kinetic energies ?

Two objects of masses 200g and 500g have velocities of 10i m//s and (3i + 5j) m//s respectively. The velocity of their centre of mass is