Question bank/JEE Main/Physics

A ball of mass M collides elastically with another
identical ball at rest as shown in figure. Initially velocity of
ball After collision

ASpeed of ball B is u $\cos\theta$BSpeed of ball A is u $\sin\theta$CSpeed of ball B is u $\sin\theta$DNone of these

Show answer and solution▾

[IMAGE] Velocity along line of impact will get exchanged because both bodies are
identical. $v_{B} = ucos\theta$
$V_{A} = usin\theta$

Source: Grass-G / P-07 Physics paper 17 October.docx