Two balls
and
are thrown horizontally from a height of
as shown above. The horizontal throw lengths of
and
are
and
respectively. Let
be the height of
when its horizontal throw length is
What is the ratio
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For ball B: y = - gx^2/(2u^2) with the point of throw as the origin and x-axis going to the left. Or -(H-h)=gR^2/(2u^2). Also, - H= - g(4R^2)/(2u^2) or H =4*(H - h) which gives, h/H=3/4