Person Walking Away from Spotlight
The slider moves the person between the spotlight and the wall. The shadow height and its rate of change vary depending on the person's position.
Contributed by: James Che, Brian Alford, and Mani Ramachandran (Torrey Pines High School) (March 2011)
Based on a problem in: J. Stewart, Calculus: Early Transcendentals, 4th ed., Pacific Grove: Brooks/Cole, 1999, p. 257, #10.
Open content licensed under CC BY-NC-SA