A 2.0 m tall student walks directly away from the base of a 6.0 m tall streetlamp at…

MATHEMATICS · Subjective · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

A 2.0 m tall student walks directly away from the base of a 6.0 m tall streetlamp at a constant 1.2 m/s. When the student is 8 m from the lamp, determine the speed (in m/s) at which the tip of the student’s shadow is moving.

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