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A small ball is thrown between two vertical walls such that in the absence of the wall its range would have been 5d. The angle of projection is a. Given that all the collisions are perfectly elastic, find (a) Maximum height attained by the ball. ANS= 5d/4 { tan (alpha)}

A small ball is thrown between two vertical walls such that in the absence of
the wall its range would have been 5d. The angle of projection is a. Given that
all the collisions are perfectly elastic, find
(a) Maximum height attained by the ball. 
ANS= 5d/4 { tan (alpha)}

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Grade:11

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