482_Physics ProblemsTechnical Physics

482_Physics ProblemsTechnical Physics - 484 P16.36 Wave...

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484 Wave Motion P16.36 T = constant; v T = µ ; P = 1 2 22 µω Av (a) If L is doubled, v remains constant and P is constant . (b) If A is doubled and ω is halved, A remains constant . (c) If λ and A are doubled, the product 2 2 A A remains constant, so remains constant . (d) If L and are halved, then 2 2 1 is quadrupled, so is quadrupled . (Changing L doesn’t affect ). P16.37 A 500 10 2 . m 400 10 2 k g m = 300 W T = 100 N Therefore, v T == 50 0 . ms = 1 2 : 2 2 2 2 2300 4 00 10 5 00 10 50 0 ×× −− a f ej a f .. . π = 346 2 55 1 rad s Hz f . P16.38 × 30 0 30 0 10 3 gm kgm ωπ = = × 150 50 0 2 314 2 0 150 7 50 10 1 2 . .: . m Hz s m m ff AA (a) yA x t =− F H G I K J sin 2 yx t 7 50 10 4 19 314 2 .s i n . a f FIG. P16.38 (b) × ×
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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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