*x*-direction and another set in the

*y*-direction.

# Projecto shot horizontally:

a

_{x}=0 a

_{y}= - 9.8 m/s

^{2}

v

Δd_{x}= constant v_{y}changing_{x}= range Δd

_{x}= height

Use the formulas:

Δd

_{x}= v

_{x }Δt Δd

_{y}= v

_{y }Δt + ½ a

_{y }Δt

^{2}

If you can find the Δt in x direction, then transfer it in the y direction and find the height.

If you can’t find Δt in the x-direction calculate it in the y-drection, and then transfer it to y-direction to find the range.

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