Consider the following statements 'A' and 'B' and identify the correct answer.
A : In an elastic collision, if a body suffers a head on collision with another of same mass at rest, the first body comes to rest while other starts moving with the velocity of first one.
B : Two bodies of equal masses suffering a head on elastic collision exchange their velocities.

Question

Infinity Learn · Accepted Answer

$$mv1$$ $$+$$ $$mv2$$ $$=$$ $$mu1$$ $$+$$ $$mu2$$⇒ $$v1$$ $$+$$ $$v2$$ $$=$$ $$u1$$ $$+$$ $$u2$$ ......(1)⇒ $$v2$$ $$-$$ $$v1$$ $$=$$ $$u1$$ $$-$$ $$u2$$........$$(2)solving$$, $$v1$$ $$=$$ $$u2$$ and $$v2$$ $$=$$ $$u1$$

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