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# The race car has an initial speed vA = 15 m>s at A. If it ISBN: 9780133951929 123

## Solution for problem 12-142 Chapter 12

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Problem 12-142

The race car has an initial speed vA = 15 m>s at A. If it increases its speed along the circular track at the rate at = (0.4s) m>s2, where s is in meters, determine the time needed for the car to travel 20 m. Take r = 150 m.

Step-by-Step Solution:

Problem 12-142

The race car has an initial speed vA = 15 m/s at A. If it increases its speed along the circular track at the rate at = (0.4s) m/s2, where s is in meters, determine the time needed for the car to travel 20 m. Take p = 150 m.

Step by Step Solution

Step 1 of 2

The position of the race car at any instant is defined from the fixed point A using the position or path coordinate s.The time is to be determined so that the car travels 20 m at B.

The race car increases its speed along the circular track at the rate , where s is in meters.

If when ,then we have   Step 2 of 2

##### ISBN: 9780133951929

This full solution covers the following key subjects: Car, speed, needed, determine, increases. This expansive textbook survival guide covers 22 chapters, and 2358 solutions. The answer to “The race car has an initial speed vA = 15 m>s at A. If it increases its speed along the circular track at the rate at = (0.4s) m>s2, where s is in meters, determine the time needed for the car to travel 20 m. Take r = 150 m.” is broken down into a number of easy to follow steps, and 50 words. Since the solution to 12-142 from 12 chapter was answered, more than 1760 students have viewed the full step-by-step answer. Engineering Mechanics: Statics & Dynamics was written by and is associated to the ISBN: 9780133951929. The full step-by-step solution to problem: 12-142 from chapter: 12 was answered by , our top Engineering and Tech solution expert on 11/10/17, 05:20PM. This textbook survival guide was created for the textbook: Engineering Mechanics: Statics & Dynamics , edition: 14.

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The race car has an initial speed vA = 15 m>s at A. If it