# Ball Bouncing on an Elliptical Slope

Ball Bouncing on an Elliptical Slope

A ball bounces on a slope with the elliptical cross section , sufficiently resilient that it retains % of its velocity at each bounce. This Demonstration displays the trajectory of the ball for user-set values of , , and .

y/a+x/b=20

2

2

λ

a

b

λ