1.

Which of the following potential energy curves in figure cannot describe the elastic collision of twobilliard balls ? Here r is the distance between centres of the balls .

Answer» <html><body><p></p>Solution :Distance between centre of <a href="https://interviewquestions.tuteehub.com/tag/balls-891923" style="font-weight:bold;" target="_blank" title="Click to know more about BALLS">BALLS</a> is <a href="https://interviewquestions.tuteehub.com/tag/2r-300472" style="font-weight:bold;" target="_blank" title="Click to know more about 2R">2R</a> when both ball collide . <br/> During every elastic collision , the shape of ball slightly <a href="https://interviewquestions.tuteehub.com/tag/changes-913881" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGES">CHANGES</a> . <br/> In elastic collision potential energy <a href="https://interviewquestions.tuteehub.com/tag/converted-2543437" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERTED">CONVERTED</a> into kinetic energy . <br/> The potential energy of a system of two masses is inversely proportional to the separation between them . <br/> ` :.V prop 1/r` <br/> Out of the given graph , curve (v) only satisfies these two <a href="https://interviewquestions.tuteehub.com/tag/consitions-2539411" style="font-weight:bold;" target="_blank" title="Click to know more about CONSITIONS">CONSITIONS</a> .Therefore , all other curves cannot possibly describe the elastic collision of two billiard balls .</body></html>


Discussion

No Comment Found

Related InterviewSolutions