Example 41 The trajectory of a projectile in a verticalplane is y # α x-he, where α and β are constants and x andy are respectively the horizontal and vertical distances of theprojectile from the point of projection. Find the magnitudeand direction of the velocity of projection, the maximumheight and horizontal range.

Example 41 The trajectory of a projectile in a verticalplane is y # α

1.	Example 41 The trajectory of a projectile in a verticalplane is y # α x-he, where α and β are constants and x andy are respectively the horizontal and vertical distances of theprojectile from the point of projection. Find the magnitudeand direction of the velocity of projection, the maximumheight and horizontal range.
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