Two perfectly elastic balls of same mass m are moving with velocities u_(1)" and "u_(2). They collide elastically n times. The kinetic energy of the system finally is

Two perfectly elastic balls of same mass m are moving with velocities

1.	Two perfectly elastic balls of same mass m are moving with velocities u_(1)" and "u_(2). They collide elastically n times. The kinetic energy of the system finally is
Answer» <html><body><p>`(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)/(2) (m)/(n) u_(1)^(2)`<br/>`(1)/(2) (m)/(n) (u_(1)^(2)+u_(2)^(2))`<br/>`(1)/(2) m(u_(1)^(2)+u_(2)^(2))`<br/>`(1)/(2) <a href="https://interviewquestions.tuteehub.com/tag/mn-548487" style="font-weight:bold;" target="_blank" title="Click to know more about MN">MN</a>(u_(1)^(2)+u_(2)^(2))`</p>Answer :<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>