Solutions for Tutorial 11

# Solutions for Tutorial 11 - 2 = 102 Hz b L = v/f 2 = 1.69 m...

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Phys 1L03 Tutorial Set 11: Fall 2009 Answers to some Tutorial problems: Set 11: 1. a. λ A < λ B < λ C A<B<C b. f 1/ λ : f B < f C < f A B<C<A 2. E, A, D, C, B 3. b 4. a. x = 0.46 m b. t total = 0.84 s 5. I 2 / I 1 = (r 1 / r 2 ) 2 r 2 = 300 m 6. Pa v I P 3 0 10 4 . 3 2 × = = ρ , A 0 = 2.2 x 10 – 10 m 3 / 2 . 1 m kg air = 7. t = t 1 + t 2 = 1.22 s + 0.0214 s = 1.24 s 8. d = 10.2 m 9. v i = 1.79 m/s 10. a. f 1 = v/(4L) = 3570 HZ λ 1 = 9.6 m b. f 3 = 3 f 1 = 2.072 x 10 4 Hz λ 3 = 3.2 m 11. a. f 3 = (3v) / (4L) = 93.5 HZ b. f 1 = v / (4L) = 31.2 HZ 12. a. f 1 = v / (2 L) = (1/2) f
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Unformatted text preview: 2 = 102 Hz b. L = v/f 2 = 1.69 m 13. a. f 1 = v / (2 L) = 660 Hz f 2 = (2v) / (2 L) = v/L = 1320 Hz f 3 = (3v) / (2 L) = 1978.8 Hz b. f 1 = (v) / (4 L) = 330 Hz f 3 = (3v) / (4 L) = 990 Hz f 5 = (5v) / (4 L) = 1650 Hz 14. λ = 3.14 cm d = λ /2 = 1.57 cm 15. f fund = v / (2 L) = 49 Hz 16. a. 3 b. 1129 Hz c. 1506 Hz 17. r 2 = 6.72 x 10 6 m 18. IL = 106 dB 19. I 2 = 51.8 W/m 2...
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