Posted by Nicholas on Thursday, December 2, 2010 at 9:21pm.
The balloon travels 14mi/hr*t/3600 where t is in seconds. I suppose it would be better to change the velocity to ft/sec
Memorize this conversion factor 60mph=88fps
the balloon travels then 14/60*88 t feet.
the triangle then yields a slant height of
distance= sqrt (120^2+(14*88/60 t)^2 )
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