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
2-4: Acceleration
2-5 and 2-6: Motion at Constant Acceleration
2-7: Freely Falling Objects
2-8: Graphical Analysis

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
$85.5\textrm{ km/hr}$

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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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