476_Physics ProblemsTechnical Physics

476_Physics ProblemsTechnical Physics - 478 P16.14 Wave...

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478 Wave Motion P16.14 (a) See figure at right. (b) T == = 22 50 3 0125 π ω . . s This agrees with the period found in the example in the text. y (cm) t (s) 10 0 0.1 0.2 —10 FIG. P16.14 P16.15 (a) Ay = max .. 800 00800 cm m k = 0800 785 1 λ . . m m af ωπ = 3 0 0 6 0 0 f rad s Therefore, yA k x t =+ sin Or (where yt 00 , bg = at t = 0 ) yx t 6 .s i n . b g m (b) In general, t + 6 i n . πφ Assuming ,0 0 = at x = 0100 m then we require that 0 8 0 0 0 7 8 5 i n . φ or =− 0785 . Therefore, t 0 080 0 7 85 6 0 785 i n . . m P16.16 (a) 0.0 –0.1 –0.2 0.1 0.2 y (mm) x (mm) t = 0 0.2 0.4 FIG. P16.16(a) (b) k = 0350 18 0 . . m rad m T f = 11 12 0 00833 . . s s = 1 2 07 5 4 f s r a d s vf = 12 0 0 350 4 20 . m m s (c) + sin ωφ specializes to t + 0200 180 754 i n . . mm s
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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