Posted by Hannah on Monday, September 13, 2010 at 11:33pm.
I have just recently had to answer a very similar question. My prof. has given me the two general eqns to use:
Y(final)=Y(initial)+V(initial)((T(final)-T(initial))+1/2a(T(final)-T(initial))^2
and
V(final)=V(initial)+a(T(final)-T(initial))
From there, write down your knowns and derive more specific eqns from the general ones... Very vague i know...good luck
Y1 = -(g/2) t^2
Y2 = -33(t-2) -(g/2)((t-2)^2
Set Y1 - Y2 and solve for t.
Use that t to compute Y at that time.
when i solve for t I get an extremely small number like .1998. I don't think I am setting up the problem right or something.
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