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 56
Q

# A sports car accelerates approximately as shown in the velocity-time graph of Fig. 2-43. (The short flat spots in the curve represent manual shifting of the gears.) Estimate the car's average acceleration in

1. second gear and
2. fourth gear.
Figure 2-43 The velocity of a car as a function of time, starting from a dead stop. The flat spots in the curve represent gear shifts.
A
1. $2.8\textrm{ m/s}^2$
2. $0.73\textrm{ m/s}^2$

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