# MATH ANALYSIS

What is the approximate horizontal distance traveled by a soccer ball that is kicked at an angle of 30 degrees with an initial speed of 60 feet per second?

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1. WEll, the initial vertical velocity determines how long it is in the air.

Vy=60*sin30=30ft/sec

Vyf=Vyi+Vy*time-4.9 time^2
0=0+30t-4.9t^2
solve for t, the time in air.

Now, horizontal distance
d=Vix*time
where
vix= 60*cos30

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bobpursley

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