Calculus 1 prob: A 10m ladder slides down a wall....

[Jesus]

The exercise is in the image below:

http://prntscr.com/a9mhlr <--- problem

I've tried it with implicit differentiation and got 12 as my answer which doesn't seem right to me

 

[Deleted member 4993]

http://prntscr.com/a9mhlr <--- problem

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[stapel]

The text in the image at the link is as follows:

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Solve: A 10m ladder slides down a wall. The sliding rate is 2m/s. The top of the ladder is 6m from the ground. What is the rate of change of distance between bottom of the latter, and the wall?

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The original poster says:

I've tried it with implicit differentiation and got 12 as my answer which doesn't seem right to me

What were your units on this answer? How (that is, by what steps) did you arrive at this answer? On what basis does this "not seem right" to you?

When you reply, please include corrections and clarifications of the original exercise. Does "latter" refer to the "ladder", or to the ground somehow (since "ground" is mentioned after, and is therefore latter to, the ladder)? The missing "the" before "bottom" is obviously a typo. Do you see other typoes in this exercise statement? Thank you!