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$1.00 Calculus

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Due on Nov. 08, 2009
Asked on Nov 05, 2009 at 9:43:15PM

Q:

A ladder 10 feet long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 7 feet per second, how fast is the top of the ladder sliding down the wall ( in feet per second) when the bottom of the ladder is 6 feet from the wall?

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GangadharSenapati

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$1.00 calculus.- application in ladder against wall.

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Posted on Nov 05, 2009 at 9:59:03PM

A:
Preview: ... š(10 2 - 6 2) = 8 Â Â Â Â Â h 2 + b 2 = l 2 Taking derivatives of both the sides we get Â Â Â 2h dh/d ...

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sudipta

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Posted on Nov 05, 2009 at 10:24:58PM

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Preview: ... e above with respect to t, we get: 2x (dx/dt) + 2y (dy/dt) = 0 x (dx/dt) + y (dy/dt) = 0 Wh ...

The full tutorial is about 97 words long .