Calculus - StudentOfFortune.com

Question

Asked by:

Rating : No Rating
Questions Asked: 524
Tutorials Posted: 0

$1.00 Calculus

From Mathematics: Calculus
Closed, but you can still post tutorials
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?

Attachments:

Available Tutorials to this Question

Posted by:

GangadharSenapati

Rating (349): B+
Questions Asked: 0
Tutorials Posted: 2977, earned $1,388.76

$1.00 calculus.- application in ladder against wall.

This tutorial hasn't been purchased yet.
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 ...

The full tutorial is about 87 words long .

Posted by:

sudipta

Rating (2462): A
Questions Asked: 0
Tutorials Posted: 15333, earned $72,346.14

$1.00 Correct steps shown

This tutorial was purchased 1 time and rated A+ by students like you.
Posted on Nov 05, 2009 at 10:24:58PM

A:
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 .