A block starts from rest at point A , s...

A block starts from rest at point A , slides down a frictionless incline that terminates in a ramp pointing up at `45^(@)` angle, as shown in figure. Find an expression for the horizontanl range x shown in the figure as a function of the heights `h_(1) and h_(2)`.

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`2(h_(1)-h_(2))`

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