11_InstSolManual_PDF_Part17

11_InstSolManual_PDF_Part17 - mg A 5 196 3 10 6 Pa D l 5 1...

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11.72. Set Up: Constant speed means and the force he applies to her hair equals his weight. Solve: (a) (b) so 11.73. Set Up: The pressure increase is where w is the weight of the bricks and A is the area of the piston. Solve: gives D V 5 2 1 D p 2 V 0 B 5 2 1 1.97 3 10 5 Pa 21 250 L 2 9.09 3 10 8 Pa 5 2 0.0542 L D p 5 2 B D V V 0 D p 5 1 1420 kg 21 9.80 m / s 2 2 p 1 0.150 m 2 2 5 1.97 3 10 5 Pa p r 2 w / A , m 5 1 196 3 10 6 Pa 21 3.14 3 10 2 4 m 2 2 9.80 m / s 2 5 6280 kg F T A 5 mg
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Unformatted text preview: mg A 5 196 3 10 6 Pa D l 5 1 F T AY 2 l 5 1 mg AY 2 l 5 1 60 kg 21 9.80 m / s 2 2 1 3.14 3 10 2 4 m 2 21 490 3 10 6 Pa 2 1 20 m 2 5 7.6 cm A 5 p r 2 5 p 1 1.0 cm 2 2 5 3.14 cm 2 5 3.14 3 10 2 4 m 2 l 5 20 m. Y 5 F T / A D l / l . a 5 Elasticity and Periodic Motion 11-17...
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