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.

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Both A and B are true

Both A and B are false

A is true but B is false

A is false but B is true

answer is A.

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Detailed Solution

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

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