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April 1, 2015

April 1, 2015

Posted by **josephz** on Friday, September 21, 2012 at 12:29am.

- Physics -
**Aljebeth D. Tura**, Saturday, September 22, 2012 at 9:47amuse the formula

y=xtanθ-(g*X^2)/(2*v^2*Cos^2θ)

since it is on he roof,take y=-y=-H=height of the building

where x=42m

θ=30

V=14m/s

note: θ is not included in the exponent 2..just plug-in the value..

God Bless !!!

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