Two perfectly elastic particles $P$ and $Q$ of equal mass travelling along the line joining them with velocities $15\, m/sec$ and $10\, m/sec$. After collision, their velocities respectively (in m/sec) will be
Two perfectly elastic particles $P$ and $Q$ of equal mass travelling along the line joining them with velocities $15\, m/sec$ and $10\, m/sec$. After collision, their velocities respectively (in m/sec) will be
$0, 25$
$5, 20$
$10, 15$
$20, 5$
Two perfectly elastic particles $P$ and $Q$ of equal mass travelling along the line joining them with velocities $15\, m/sec$ and $10\, m/sec$. After collision, their velocities respectively (in m/sec) will be
For a collision between two identical perfectly elastic particles of equal mass, velocities after collision get interchanged.
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