solve this I don't want to know which school jst do it
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(a) if they have equal inclination then it will rise to approximately the same height as it was dropped from. i.e it will cover the entire CD.
(b) if the inclination is gradually decreased then the ball will cover more and more distance.
(c) if the inclination is decreased to zero then the ball will keep on moving forever till an external force is applied on it.
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