A 13-ft ladder rests against a vertical wall

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

Problem

A 13-ft ladder rests against a vertical wall. The foot of the ladder slides away from the wall at a constant rate of 1.5 ft/s. Determine the rate (including the sign) at which the top of the ladder is descending at the instant when the foot is 5 ft from the wall.

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