The rate of change of a shadow

Forfatterekazakevich, 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?

Nye Materialer

Sum of Squares: Proof without Words
Area of a Circle Illustrated
Regular Polygons and Equivalent Triangles
Parallelogram Anatomy
The Gardener's Ellipse

Opdag Ressourcer

Construction of Perpendicular Bisector
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Geometric Measurement and Dimension (GMD) Cluster
Reuleaux Triangle
Translation mat

Udforsk emner

Lineære funktioner
Koordinates
Brøker
Parametriske Kurver
Matematik