Posted by Kelsey on Tuesday, March 13, 2012 at 1:23am.
A) The horizontal velocity component will remain
Vx = 13.1 cos 50.9
and the vertical component will increase so that
Vy^2 - (13.1 sin 50.9)^2 = 2 g H
where H is the height of the building.
B) You will get the same answer, since the (13.1 sin theta)^2 term is squared in the Vy equation, and cos theta = cos(-theta)
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