The driver of a car traveling at 42 ft/sec suddenly applies the brakes. The position of the car is a=42t-3t^2, t second after the driver applied the brakes. How many second after the driver applies the brakes does the car come to a stop??? a)14 sec b)42 sec c) 7sec d)21sec

The driver of a car traveling at 42 ft/sec suddenly applies the brakes. The position of the car is a=42t-3t^2, t second after the driver applied the brakes. How many second after the driver applies the brakes does the car come to a stop??? a)14 sec b)42 sec c) 7sec d)21sec

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Vectors And Two-Dimensional Motion

Section: Chapter Questions

Problem 6WUE: A car is traveling east at 25.0 m/s when it turns north and accelerates to 35.0 m/s, all during a...

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