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April 18, 2014

April 18, 2014

Posted by **Soph** on Wednesday, October 3, 2012 at 5:40pm.

The sketch shows 2 soccer players standing 17m apart. The player standing on the left kicks the ball and it makes an angle of 40 degrees. On the right, a player is standing in front of a goal post that is 2.2 m tall.

a=acceleration

d=distance

vf= final velocity

vi=initial velocity

t=time

I know i have to split it up into a y section and an x section.

So this is what i have so far

ay=9.8

ax=0

dx=17m

vix= missing velocity x cos40

viy= missing velocity x sin40

- Projectiles (Physics) -
**Henry**, Thursday, October 4, 2012 at 6:53pmDx = Vo^2*sin(2A)/g = 17 m.

Vi^2*sin(80)/9.8 = = 17

Vi^2*0.10049 = 17

Vi^2 = 169.2

Vi = 13 m/s @ 40o.

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