Related+Rates+Quiz+for+Michelle

Michelle's Related Rates Quiz

2) Let A be the area of a square with side s at time t. If the **side** changes at a rate of -4 mm/week, at what rate is the square's **area** changing when s = 3?

Need a formula? Click @Formulas for Related Rates Calc Quiz.


 * 1) || [[image:http://cow.temple.edu/~cow/images/auxiliary/StreetlightImages/Man%20and%20streetlight.lightman.gif]] || A 6 ft tall man is walking away from a 50 ft high streetlight at the rate of 4 ft per second. How fast is the man's shadow growing as he walks? ||

1) A 20 ft long ladder is leaning against a wall, but is sliding down. At the moment when the base of the ladder is 12 ft from the wall and is sliding away at 5 fps, how high is the top of the ladder and how fast is it sliding down?