You are driving to the grocery store at 20m/s. You are 140m from an intersection when the traffic light turns red. Assume that your reaction time is 0.50s and that your car brakes with constant acceleration. What acceleration will stop the car right at the intersection?

You are driving to the grocery store at 20m/s. You are 140m from an intersection when the traffic light turns red. Assume that your reaction time is 0.50s and that your car brakes with constant acceleration. What acceleration will stop the car right at the intersection?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 14CQ: If a subway train is moving to the left (has a negative velocity) and then comes to a stop, what is...

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Distance and Speed

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