Four identical balls A,B,C and D are placed in a line on a frictionless horizontal surface. A and D are moved with same speed .u. towards the middle as shown. Assuming elastic collisions, find the final velocities.

Four identical balls A,B,C and D are placed in a line on a frictionles

1.	Four identical balls A,B,C and D are placed in a line on a frictionless horizontal surface. A and D are moved with same speed .u. towards the middle as shown. Assuming elastic collisions, find the final velocities.
Answer» <html><body><p><br/></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> :`V _(A) = <a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a> (to) ,V _(<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>) = 0, V _(<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a> ) = 0 and V _(D) = u (to)`</body></html>