State the expression of final velocity of 2 bodies having a head on elastic collision.

Derive expression for final velocities v_1 and v_2 for an Elastic collsion.

Define in elastic collision. Derive an expression for velocities for head-on elastic collision.

Derive an expression for the velocities of the colliding bodies after elestic collision

A body P of mass 3 kg and moving with velocity of 2 m//s makes a head-on elastic collision wi9th other body 'Q' of mass 5 kg, which is at rest. What is velocity of Q after collision?

A body P of mass 3 kg and moving with velocity of 2 m//s makes a head-on elastic collision wi9th other body 'Q' of mass 5 kg, which is at rest. (ii) What is momentum of body P after collision?

State the expression for angular velocity of the bar magnet oscillating in an uniform magnetic field.

In the expression for velocity of sound, according to Newton, the modulus of elasticity is

Two bodies of masses m and 2m, moving with initial velocities 50 m//s in the + x direction and 40 m//s in the -x direction respectively, undergo a head -on elastic collision. (i) Calculate their final velocities (ii) What is the ratio of the final to initial kinetic energies for the body of mass m? (iii) Calculate the change in momentum of each body if m= 1kg (iv) What is the change in the momentum of the system?

State the expression for magnetic force acting on a charge moving with velocity barv in an uniform magnetic field barB . State the important features of this force?