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

apec
Portions of a Sphere
Position and Velocity Vector
bewijs stelling van Pythagoras
Proving Triangles Similar: Multistep Transformations

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geometry
ellispspeed
Actividad 1:" Segmentos, Ángulos y Rectas".
HIsosceleseTriangleConst
Radius bisecting the chord
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Funciones
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Funciones Logarítmicas
Estadística
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