phys6b lab 2

phys6b lab 2 - f = 50s/0.3 10 100Hz = f v = 100Hz x 0.3 m v...

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Part 1 Derek Pan Lab 2 Waves 1. 64m/2.43s = 14 m/s 2. 64m/4.4s= 14.5 m/s 3. Tension and velocity are positively correlated but the relationship may not be linear. 4. The more dense the string, the lower the velocity. This is because it would take more effort to move it. F=m/a a=F/m Therefore, the larger the mass, the lower the acceleration. 5. 3m/s =wavelength x 10 Hz Wavelength = 3/10 m 6. 12m/s = 10Hz x wavelength Wavelength = 12/10 =1.2 m The wavelength is 4 times longer 7. 12m/s = 16Hz x wavelength Wavelength = 12/16 = .75 8. v=F/u wavelength = sqrt(F/u)/f 9. n = 5 L= 0.75m 2.5 waves Wavelength = 0.3 m V = 50m/s
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Unformatted text preview: f = 50s/0.3 10. 100Hz = f v = 100Hz x 0.3 m v = 30 m/s Part 2 2.1 0.05kg x 9.8 m/s^2 = 0.49 N 2.2 v=sqrt(0.49/0.000266) v Fu=42.9m/s 2.3 f=60Hz 0.3kg x 9.8 m/s^2 = 2.94N Wavelength = 2 x 0.88m 1.76m x 60 Hz = 105.6 m/s v lambda f =105.6 m/s 2.4 When calculated from wavelength and frequency, the velocity is almost doubled. There is a 40.6% deviation. w a v e l e n g t h ( m ) 2 1 . 6 6 6 7 . 5 . 4 2.5 It is a rational graph shape. 2.6 The graph is linear. 2.7 The slope is 2.603 2.8 2.603 = 4(u)(60^2Hz)(1^2m) u (density) = 0.000181 kg/m^3...
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phys6b lab 2 - f = 50s/0.3 10 100Hz = f v = 100Hz x 0.3 m v...

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