February 24, 2017

Homework Help: College Calculus

Posted by A on Sunday, November 13, 2011 at 12:42pm.

A light is on the ground 20m from a barn. A 2m tall llama walks from the light directly toward the side of the barn at 1m/s. How fast is the height of the llama's shadow on the barn changing when he's 14m from the barn? (draw and label a nice diagram first!)

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