493_Physics ProblemsTechnical Physics

493_Physics ProblemsTechnical Physics - Chapter 16 495...

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Chapter 16 495 ANSWERS TO EVEN PROBLEMS P16.2 see the solution P16.38 (a) yx t =− 0 075 0 4 19 314 .s i n . bg af ; (b) 625 W P16.4 (a) the P wave; (b) 665 s P16.40 (a) 15 1 . W; (b) 302 . J P16.6 0800 m s P16.42 The amplitude increases by 5.00 times P16.8 240 m s P16.44 see the solution P16.10 0.300 m in the positive x -direction P16.46 (a) see the solution; P16.12 ± 667 c m (b) 1 2 1 2 22 xv t t ++− a f a f ; P16.14 (a) see the solution; (b) 0.125 s; in agreement with the example (c) 1 2 1 2 sin sin t t ++ a f a f P16.16 (a) see the solution; (b) 18.0 m ; 83 3 . m s; 75 4 r ads ; 420 m s ; P16.48 (a) 0 040 0 . m; (b) 0 031 4 m ; (c) 0 477 . Hz; (d) 2 09 s ; (c) 0 2 18 75 4 0 151 i n .. m a f xt +− (e) positive -direction x P16.18 (a) 0 021 . 5 m; (b) 1.95 rad; (c) 541 m s ; P16.50 (a) 21 0 s; (b) 168 m (d) yx t , = 0 021 5 8 38 80 0 1 95 i n . . . m b g π P16.52 t mL Mg = sin θ P16.20 (a) see the solution; (b) 3 18 H z P16.54 (a) 2 Mg ; (b) L Mg k 0 2 + ; P16.22 30 0
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