After on head on elastic collision between two balls of equal masses , one is observed to

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5.Work, Energy, Power and Collision

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After on head on elastic collision between two balls of equal masses , one is observed to have a speed of $3\, m/s$ along positive $x$ -axis and the other has a speed of $2\, m/s$ along negative $x$ -axis. The original velocities of the balls are

A

$-2 \,m/s$ and $+3 \,m/s$

B

$+2 \,m/s$ and $+3 \,m/s$

C

$-3 \,m/s$ and $+2 \,m/s$

D

$+3 \,m/s$ and $-2 \,m/s$

Solution

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Standard 11

Physics

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