In perfect elastic collision, the relative velocity of the body before

1.	In perfect elastic collision, the relative velocity of the body before impact is:
Answer» <html><body><p>before impact is <a href="https://interviewquestions.tuteehub.com/tag/zero-751093" style="font-weight:bold;" target="_blank" title="Click to know more about ZERO">ZERO</a> <br/>before impact is <a href="https://interviewquestions.tuteehub.com/tag/equal-446400" style="font-weight:bold;" target="_blank" title="Click to know more about EQUAL">EQUAL</a> to that after impact <br/>after impact is zero<br/>None of the above is true</p>Solution :`v_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)-v_(2)=0`</body></html>

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