Concept explainers
In these exercises assume that the object is moving with constant acceleration in the positive direction of a coordinate line, and apply Formulas
Spotting a police car, you hit the brakes on your new Porsche to reduce your speed from
(a) Find the acceleration in
(b) How long does it take for you to reduce your speed to
(c) At the acceleration obtained in part (a), how long would it take for you to bring your Porsche to a complete stop from
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Calculus: Early Transcendentals, Enhanced Etext
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