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December 21, 2014

December 21, 2014

Posted by **Jacob** on Tuesday, June 29, 2010 at 1:36pm.

dx/dt = ? ft/s

- math -
**Henry**, Tuesday, June 29, 2010 at 3:34pmThe ladder forms a rt. triangle with the wall and ground. The wall is the

height.When the height is 10ft,

X^2+10^2=16^2, X=12.49ft. When h goes to zero(ladder flat on ground),

X^2+0^2=16^2, X=16, t=10ft/5ft/s=2sec.

dx/dt=(16-12.49)ft/2s=1.75ft/s

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