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# Does a car’s kinetic energy change more when the car

ISBN: 9780321675460 31

## Solution for problem 10DQ Chapter 6

University Physics | 13th Edition

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University Physics | 13th Edition

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Problem 10DQ

Does a car’s kinetic energy change more when the car speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.

Step-by-Step Solution:

Solution 10DQ Introduction We have to explain why the change in kinetic energy is more when velocity changes from 15 m/s to 20 m/s than when velocity changes from 10 m/s to 15 m/s, even though the change in velocity is same. Step 1 Suppose the mass of the car is m. Hence the the kinetic energy of the car, when the velocity is v = 10 m/s, v = 15 m/s and v = 20 m/s 1 2 3 are 1 1 2 E 1 mv2 12= m210 m/s) = (50 m /s )m 2 1 1 2 E 1 mv2 22= m215 m/s) = (112.5 m /s )m2 2 And 1 2 1 2 2 2 E 1 mv2 3 = m220 m/s) = (200 m /s )m

Step 2 of 2

##### ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “Does a car’s kinetic energy change more when the car speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.” is broken down into a number of easy to follow steps, and 24 words. The full step-by-step solution to problem: 10DQ from chapter: 6 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 10DQ from 6 chapter was answered, more than 314 students have viewed the full step-by-step answer. This full solution covers the following key subjects: Car, explain, Energy, change, kinetic. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. University Physics was written by and is associated to the ISBN: 9780321675460.

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Does a car’s kinetic energy change more when the car

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