PHYS
05_InstSolManual_PDF_Part28

# 05_InstSolManual_PDF_Part28 - 5-28 Chapter 5 5.68 Set Up...

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5.68. Set Up: The free-body diagram for one bowling ball is given in Figure 5.68. The tension T has been resolved into its x and y components. n is the force the other ball exerts on this one. Figure 5.68 Solve: (a) gives and (b) gives and 5.69. Set Up: The free-body diagrams for the rocket (weight and astronaut (weight W ) are given in Fig- ures 5.69a and 5.69b. is the thrust and n is the normal force the rocket exerts on the astronaut. The speed of sound is Figure 5.69 (a) Apply to the rocket: and so (b) Apply to the astronaut: and so (c) and gives t 5 v 2 v 0 a 5 331 m / s 39.2 m / s
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Unformatted text preview: / s 2 5 8.4 s v 5 v 1 at a 5 4 g 5 39.2 m / s 2 . v 5 331 m / s v 5 0, n 5 W 1 1 W g 2 1 4 g 2 5 5 W m 5 W g , a 5 4 g n 2 W 5 ma . g F y 5 ma y F 5 m 1 5 g 2 5 1 2.25 3 10 6 kg 21 5 21 9.80 m / s 2 2 5 1.10 3 10 8 N w r 5 mg , a 5 4 g F T 2 w r 5 ma . g F y 5 ma y x y w r F T x y W n ( a ) ( b ) a a 331 m / s. F T w r ) n 5 T sin 25° 5 33.2 N T sin 25° 2 n 5 g F x 5 ma x T 5 w cos 25° 5 71.2 N cos 25° 5 78.6 N T cos 25° 2 w 5 g F y 5 ma y y x T cos25 ° T sin25 ° w a 5 25 ° n T 5-28 Chapter 5...
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• Spring '07
• Shoberg
• Force, Cos, FY, free-body diagram, weight wr, ball exerts

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