A body of mass $m$ is at rest. Another body of same mass moving with velocity $ V $ makes head on elastic collision with the first body. After collision the first body starts to move with velocity
A body of mass $m$ is at rest. Another body of same mass moving with velocity $ V $ makes head on elastic collision with the first body. After collision the first body starts to move with velocity
$V$
$2V$
Remain at rest
No predictable
A body of mass $m$ is at rest. Another body of same mass moving with velocity $ V $ makes head on elastic collision with the first body. After collision the first body starts to move with velocity
$m v_{2}=m v_{1}+m v_{2}$
$\frac{1}{2} m v_{2}^{2}=\frac{1}{2} m_{1} v_{1}^{2}+\frac{1}{2} m_{2} v_{2}^{2}$
$v_{2}=v_{1}+v_{2}$ $...(1)$
$\mu_{2}^{2}=v_{1}^{2}+v_{2}^{2}$ $...(2)$
$\mu_{2}=\mu_{2}-v_{1}$
$\mu_{2}^{2}=v_{1}^{2}+\left(\mu_{2}-v_{1}\right)^{2}$
$\mu_{2}^{2}=v_{1}^{2}+\left(\mu_{2}-v_{1}\right)^{2}$
$\mu_{2}^{2}=v_{1}^{2}+\mu_{2}^{2}+u_{1}^{2}-2 v_{1} \mu_{2}$
$2 v_{1}^{2}-2 v_{1} u_{2}=0$
$v_{1}\left(v_{1}-\mu_{2}\right)=0$
$v_{1}=0 \quad / \quad v_{1}=\mu_{2}$
$V$