A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 35 ft from the base of the pole?
1 Answer
Aug 20, 2015
The tip of the shadow is moving at
Explanation:
Consider the situation as depicted in the image below:
Based on similar triangles we have
We are told that a a certain time
Therefore