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Consider the given table: a ball is fired from one of the foci with a velocity of 5m/s, at an angle 30* with the major axis of the elliptical table.

The question:
When does it again return to the same point as which it was fired from, for the very first time??? (does it ever).

Assume the major axis of the ellipse to be 10 meters, and its eccentricity is .8.
Assume all collisions to be completely elastic. THE DIAGRAM IS IN THE LINK

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Category:- Physics
Reference No.:- M91612745

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