#relatedrates #shadow #relatedratesshadow
#calculus #calculus1 #apcalculus #apcalculusab #apcalculusbc
A street light is mounted 15 ft high. A 6 ft tall person walks away at 5 ft/s. How fast is the shadow lengthening when 20 ft from the pole? How fast is the tip of the shadow moving?
