A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ?

A rubber ball is dropped from a height of 2 metres. To what height wil

1.	A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ?
Answer» <html><body><p> 2 metres</p><br/><br/><p>The potential <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> of a body when <a href="https://interviewquestions.tuteehub.com/tag/raised-2242366" style="font-weight:bold;" target="_blank" title="Click to know more about RAISED">RAISED</a> through height h is given by mgh. Each <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>, a normal rubber ball hits the floor, it loses one-fifth of its total energy and the rebound height is proportional to energy, so each <a href="https://interviewquestions.tuteehub.com/tag/bounce-903144" style="font-weight:bold;" target="_blank" title="Click to know more about BOUNCE">BOUNCE</a> will rebound to four-fifth of the previous bounce. But, the question states that there is no loss of energy/velocity after rebounding. So the height of 2 metres will be <a href="https://interviewquestions.tuteehub.com/tag/maintained-2162867" style="font-weight:bold;" target="_blank" title="Click to know more about MAINTAINED">MAINTAINED</a>.</p></body></html>