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02_InstSolManual_PDF_Part5

# 02_InstSolManual_PDF_Part5 - a av x 5 0 a av x 5 1.0 m s 2...

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2.21. Set Up: Values of at time t can be read from the graph: and is constant when x versus t is a straight line. Solve: The motion consists of constant velocity segments. to 4.0 s: to 10.0 s: to 18.0 s: The graph of versus t is shown in Figure 2.21. Figure 2.21 Reflect: is the slope of x versus t . 2.22. Set Up: The instantaneous acceleration is the slope of the versus t graph. Solve: The graph is horizontal, so The graph is a straight line with slope The graph is a straight line with slope 2.23. Set Up: Solve: (a) 0sto2s : 2sto4s : 4sto6s : 6sto8s : 8 s to 10 s: 10 s to 12 s:
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Unformatted text preview: a av, x 5 0. a av, x 5 1.0 m / s 2 ; a av, x 5 2.5 m / s 2 ; a av, x 5 2.5 m / s 2 ; a av, x 5 2.5 m / s 2 ; a av, x 5 1.5 m / s 2 ; a av, x 5 1.0 m / s 2 ; a av, x 5 0; a av, x 5 D v x D t a x 5 2 11 m / s 2 . 2 44 m / s 4 s 5 2 11 m / s 2 ; t 5 11 s: a x 5 6.0 m / s 2 . 44 m / s 2 20 m / s 4 s 5 6.0 m / s 2 ; t 5 7 s: a x 5 0. t 5 3 s: v x v x v x 1 cm/s 2 0.75 0.17 4.0 10.0 18.0 O t 1 s 2 v x v x 5 0. t 5 10.0 s v x 5 4.0 cm 2 3.0 cm 6.0 s 5 0.17 cm / s; t 5 4.0 s v x 5 3.0 cm 2 4.0 s 5 0.75 cm / s; t 5 v x x 18 5 4.0 cm. x 10 5 4.0 cm, x 4 5 3.0 cm, x 5 0, x t Motion along a Straight Line 2-5...
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