02_InstSolManual_PDF_Part6

02_InstSolManual_PDF_Part6 - 2-6 Chapter 2 (b) The graph of...

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(b) The graph of versus t is given in Figure 2.23. Figure 2.23 Reflect: The acceleration is constant when the velocity changes at a constant rate. When the velocity is constant, the acceleration is zero. 2.24. Set Up: Solve: (a) and (b) and (c) (d) 2.25. Set Up: The acceleration equals the slope of the versus t curve. Solve: The qualitative graphs of acceleration as a function of time are given in Figure 2.25. Figure 2.25 The acceleration can be described as follows: (a) positive and constant, (b) positive and increasing, (c) negative and constant, (d) positive and decreasing. Reflect: When and have the same sign then the speed is increasing. In (c) the velocity and acceleration have
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