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speed of the brick falling from a tall building

A brick comes loose from near the top of a building and falls such that its distance s (in feet) from the street (after t seconds) is given by the equation
s(t) = 200 - 16t^2

(see equation in attached file)

How fast is the brick falling after 2 seconds have passed?

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Solution Summary

Using the differentiation, the solution shows the step-by-step calculation of the speed of the brick falling from a tall building when its motion equation is given.

$2.19