346_Physics ProblemsTechnical Physics

346_Physics ProblemsTechnical Physics - 348 Angular...

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348 Angular Momentum P11.57 (a) t p f Mv Mg MR Mg R g i == = = µ ω 3 (b) WK I M R i = 1 2 1 18 22 2 ωω (See Problem 11.56) µω Mgx MR i = 1 18 x R g i = 18 ANSWERS TO EVEN PROBLEMS P11.2 (a) 740 cm 2 ; (b) 59.5 cm P11.32 854 . r a d s P11.34 (a) 720 10 3 . ×⋅ kg m s 2 ; (b) 947 r a d s P11.4 (a) 168 ° ; (b) 11.9 ° principal value; (c) Only the first is unambiguous. P11.36 12 3 . ms 2 P11.6 No; see the solution P11.38 (a) 235 . rad s; (b) 0498 . rad s; (c) 5.58 ° P11.8 (a) −⋅ 700 . ± Nm a f k ; (b) 11 0 . ± a f k P11.40 131 s P11.10 see the solution P11.42 (a) 219 10 6 . × m s ; (b) 218 10 18 . × J; (c) 413 10 16 . × rad s P11.12 22 0 . ± kg m s 2 ej k P11.44 (a) 11 1 . m s; (b) 532 10 3 . kg m s 2 ; P11.14 see the solution (c) see the solution; (d) 12 0 ; (e) 1 08 . kJ; (f) 534 . m s; (g) 1.46 m; P11.16 (a) 3 14 ; (b) 0 400 k g m bg v ; (h) 1.43 s; (i) see the solution (c) 785 m s 2 P11.46 (a) 0 005 89 W t ; (b) 2 59 ; P11.18 (a) 903 10 9
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