Копия The rate of change of a shadow

Autor:Методисты ЛИОТ и ЛТСО, 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

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Intersections of y=a^x and y=log(a, x)
အခြေခံ data အခေါ်အဝေါ်များ
The 3D Space
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Segment addition theorem
Sequences of Circles
Constructing a Parabola
Final Construction
Strongest shape

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Álgebra
Segmento Mediana
Suma superior e inferior o suma de Riemann
Características estadísticas
Probabilidad Condicional