Sunday, July 7, 2019

newtonian mechanics - Two questions about the coefficient of restitution


If you were to drop a ball onto a surface from a height $h$ and the ball collided with the surface and then rebounded, would the ball then travel a distance of $eh$ back up from the surface where $e$ is CoR? If so why?


Also, just generally, is the CoR a constant in this scenario? I.e, is the ratio of separation speed to approach speed the same even though these speeds are most likely decreasing? If so, why?




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