If two masses m₁ and m₂ collide with each other. Before the collision, the velocities are u₁ and u₂ respectively. After the collision the velocities are V₁ and V₂. What is the final momentum after collision?

Q. Two balls of masses

m_{1} and m_{2}

such that (

m_{2} >> m_{1}

) are moving with initial velocities

v_{1} and v_{2}

respectively towards each other. The final velocity of

m_{2}

after collision will be [Assume collision to be perfectly elastic]

Q. Two particles of masses

m_{1}, m_{2}

move with initial velocities

u_{1}

and

u_{2}

. On collision, one of the particles get excited to higher level, after absorbing energy

ϵ

. If final velocities of particles be

v_{1}

and

v_{2}

then we must have

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A particle of mass m1 and moving with velocity v1 collides head on with another stationary particle of mass m2elastically. If after the collision their velocities are v1 and v2 then under the condition m1=m2 their values will be :

The correct option is C v1=0,v2=u1In elastic head-on collision for masses (m1=m2) with one of the mass at rest the velocities before collision get interchanged after collision. Hence, here after collision, v1=0 and v2=u1.

A particle of mass $m_{1}$ and moving with velocity $v_{1}$ collides head on with another stationary particle of mass $m_{2}$ elastically. If after the collision their velocities are $v_{1}$ and $v_{2}$ then under the condition $m_{1} = m_{2}$ their values will be :

The correct option is C $v_{1} = 0, v_{2} = u_{1}$
In elastic head-on collision for masses ( $m_{1} = m_{2}$ ) with one of the mass at rest the velocities before collision get interchanged after collision. Hence, here after collision, $v_{1} = 0$ and $v_{2} = u_{1}$ .