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## Homework Statement

A projectile is launched horizontally with an initial velocity v0 from a height h. If it is assumed that there is no air resistance, which of the following expressions represents the vertical trajectory of the projectile? (A) h–gv0^2/2x^2 (B) h–gv0^2x^2 (C) h-gx^2/2v0^2 (D) h-gx^2/v0^2

## Homework Equations

d=vi*t+1/2a*t^2

## The Attempt at a Solution

t=d/v; a=g; d=vi*t+1/2g*(x/v)^2-->

**d=vi*t+(gx^2/2v^2)--->why is this subtracted from h? Also where does**[/B]

**d=vi*t go?**