A person driving her car at 47.0 km/hr approaches an intersection just as the traffic light turns yellow (see figure below). She knows that the yellow light lasts only 1.80 s before turning to red, and she is a distance D = 32.0 m away from the near side of the intersection. If she decides to stop, how far from the intersection will she come to a stop? The intersection is W =16.0 m wide. Her car's maximum deceleration is -5.80 m/s2. Ignore the length of her car and her reaction time. Assume the beginning of the intersection the origin of your x-coordinate and take distances beyond the intersection to be positive and distances before the intersection to be negative. The car can accelerate from 47.0 km/hr to 67.0 km/hr in 6.00 s. How far from the intersection will she be when the light turns red? D

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A person driving her car at 47.0 km/hr approaches an intersection just as the traffic light turns yellow (see figure below). She knows that the yellow light lasts only 1.80 s before turning to red, and she is a distance D = 32.0 m away from the near side of the intersection. If she decides to stop, how far from the intersection will she come to a stop? The intersection is W =16.0 m wide. Her car's maximum deceleration is -5.80 m/s². Ignore the length of her car and her reaction time. Assume the beginning of the intersection the origin of your x-coordinate and take distances beyond the intersection to be positive and distances before the intersection to be negative.

The car can accelerate from 47.0 km/hr to 67.0 km/hr in 6.00 s. How far from the intersection will she be when the light turns red?

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