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anonymous
 one year ago
Applications to calculus Question:
A ladder 26 feet long leans against a vertical wall. The foot of the ladder is being drawn away from the wall at the rate of 4 feet per second. How fast is the top of the ladder sliding down the wall when the foot of the ladder is exactly 10 feet from the wall?
anonymous
 one year ago
Applications to calculus Question: A ladder 26 feet long leans against a vertical wall. The foot of the ladder is being drawn away from the wall at the rate of 4 feet per second. How fast is the top of the ladder sliding down the wall when the foot of the ladder is exactly 10 feet from the wall?

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amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0can you draw a sketch for this situation?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1433325790037:dw

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0dw:1433326167643:dw

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0so \(x^/(t)=4 m s^{1}\) right?

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0so you need to find \(h^/(t)\).. What is the relation ship between x and h?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I tried representing this question by using Pythagoras.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So given x' = 4ft/sec I ended up having something like this: z(t)^2 = x(t)^2 + y(t)^2

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0so what would the next step be?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I derived So I ended up with this: 2z(t)dz = 2 x(t) dx + 2 y(t)dy dt dt dt

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0what would be the value of dz/dt?
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