The rate of change of a shadow

Autor:ekazakevich, Mark Willis, Doug Kuhlmann

A man running from a street lamp.

A street lamp is 8m high. A man of height 1.6m walks along the street away from the lamp at a steady rate of 1 m/s. At what rate is the length of his shadow changing?

Nuevos recursos

Isosceles Right Triangle
Perpendicular Lines: Quick Exploration
Probabilities with Two-Way Tables
Right Triangle Inscribed in a Semicircle
Squaring a Rectangle (PST Version)

Descubrir recursos

AQR Section 5 Example 2
Converting fractions to decimals
The tangent and normal to a curve y = f(x)
פרבולה דרך 4 נקודות
Eddie Huang

Descubre temas

Ecuaciones lineales
Funciones Trigonométricas
Vectores 3D (tres dimensiones)
MCM y MCD
Paralelepípedo