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Get Full Access to University Physics - 13 Edition - Chapter 6 - Problem 29e
Get Full Access to University Physics - 13 Edition - Chapter 6 - Problem 29e

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# Stopping Distance. A car is traveling on a level road with ISBN: 9780321675460 31

## Solution for problem 29E Chapter 6

University Physics | 13th Edition

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Problem 29E

Stopping Distance.? A car is traveling on a level road with speed v0 at the instant when the brakes lock, so that the tires slide rather than roll. (a) Use the work–energy theorem to calculate the minimum stopping distance of the car in terms of v0, g, and the coefficient of kinetic friction k between the tires and the road. (b) By what factor would the minimum stopping distance change if (i) the coefficient of kinetic friction were doubled, or (ii) the initial speed were doubled, or (iii) both the coefficient of kinetic friction and the initial speed were doubled?

Step-by-Step Solution:

Solution 29E Step 1: Work energy theorem states 2 2 W = KE = (1/2 mv ) (1/2 fv )------------i1) Work done can be written as W = M mgL K When the car reaches final point its velocity is v = 0 hence (1/2 mv ) = 0 2 f f Thus we can write can as 2 M mgK = (1/2 mv ) i 2 vi Thus we get L as L = 2M K

Step 2 of 2

##### ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 29E from 6 chapter was answered, more than 617 students have viewed the full step-by-step answer. This full solution covers the following key subjects: distance, were, kinetic, Stopping, speed. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. University Physics was written by and is associated to the ISBN: 9780321675460. The full step-by-step solution to problem: 29E from chapter: 6 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. The answer to “Stopping Distance.? A car is traveling on a level road with speed v0 at the instant when the brakes lock, so that the tires slide rather than roll. (a) Use the work–energy theorem to calculate the minimum stopping distance of the car in terms of v0, g, and the coefficient of kinetic friction k between the tires and the road. (b) By what factor would the minimum stopping distance change if (i) the coefficient of kinetic friction were doubled, or (ii) the initial speed were doubled, or (iii) both the coefficient of kinetic friction and the initial speed were doubled?” is broken down into a number of easy to follow steps, and 100 words.

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