A moving particle of mass .m. makes head-on elastic collision with a particle of mass .2m. which is initialy at rest. The fraction of K.E. lost by colliding particle is

A moving particle of mass .m. makes head-on elastic collision with a p

1.	A moving particle of mass .m. makes head-on elastic collision with a particle of mass .2m. which is initialy at rest. The fraction of K.E. lost by colliding particle is
Answer» <html><body><p>`1//3`<br/>`1//9`<br/>`8//9`<br/>`2//3`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html>