Posted by **Danreb** on Sunday, October 19, 2008 at 9:20pm.

A girl shoots an arrow from the top of a cliff. The arrow is initially at a point 20 meters above the level field below. The arrow is shot at an angle of 30 degrees above the horizontal with a speed of 39.2m/s. How far out from the base of the cliff will the arrow land?

- physics! -
**bobpursley**, Sunday, October 19, 2008 at 9:44pm
You need to first find the time in the air, from the vertical flight equation. You can figure the initial vertical velocity from the angle.

hcliff=vi*time -1/2 g time^2

solve for time.

Then, use that time for the horizontal equation..

d=vhorizontal*tiem

- physics! -
**Danreb**, Sunday, October 19, 2008 at 10:20pm
i tried that. it doesnt work

- physics! -
**Danreb**, Sunday, October 19, 2008 at 10:33pm
nvm it works. thanksssssss

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