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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
2
Describing Motion: Kinematics in One Dimension
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2-1 to 2-3: Speed and Velocity
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2-4: Acceleration
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2-5 and 2-6: Motion at Constant Acceleration
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2-7: Freely Falling Objects
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2-8: Graphical Analysis
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 2
Q

What must your car's average speed be in order to travel 235 km in 2.75 h?

A
85.5 km/hr85.5\textrm{ km/hr}
Giancoli 7th Edition, Chapter 2, Problem 2 solution video poster
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VIDEO TRANSCRIPT

This is Giancoli Answers with Mr. Dychko. Average speed is the total distance traveled divided by the time it takes to travel that distance. So that's 235 kilometers divided by 2.75 hours which gives us 85.5 kilometers per hour.

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Giancoli Answers, including solutions and videos, is copyright © 2009-2024 Shaun Dychko, Vancouver, BC, Canada. Giancoli Answers is not affiliated with the textbook publisher. Book covers, titles, and author names appear for reference purposes only and are the property of their respective owners. Giancoli Answers is your best source for the 7th and 6th edition Giancoli physics solutions.