The rate of change of a shadow

:نویسندهekazakevich, 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?

منابع آموزشی جدید

Slope and Road Signs
Viviani's Curve
Model sferyczny - sześcian-ośmiościan
רישום חופשי
Slope Between 2 Points (Phase 2)

کشف منابع آموزشی

Collection
Argand Diagram
n-polygon contains n-2 triangles
Dvije kružnice 3

کشف موضوع‌ها

انتگرال معین
ویژگی‌های آماری
مشتق
حسابان
لوزی