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- 2. Waves traveling across a string are obey the equation; y(x, t) = 0.05m sin(89.7x – 868t + 4) assume proper SI units a) What is the wavelength, period, and wave speed of this wave? b. If an element of the string at x=0 and t=0 is at the position y = 0.035 m and is traveling upward (+y direction), what is the phase constant p?1. The figure shows a resonant oscillation pattern on a string of mass 2.500 g and length 0.800 m. The rope is under a tension of 325 N. 8.00 mm Ű pood. 0 -x (m) 0.800 Show Transcribed Text Determine (a) the harmonic number, (b) the speed of the waves on the string, (c) the first three resonant frequencies.3.) Consider a system like the one below. You want to measure the mass density of a cord. Understanding the relationship between wave speed and tension in a string, you decide to hang a 10 kg mass from the end of the string as shown. When you pluck the now tensioned string, you hear a note. You measure the frequency of the note with an app on your phone, finding it to be 130 Hz. What is the mass density of the string? 1 m 10 kg mg
- 2 x (cm) -2- -41 A The displacement of a vibrating string versus position along the string is shown in the figure. The periodic waves have a speed of 10.0 cm/s. A and B are two points on the string. What is the wavelength of the wave? (ww) h 1.5 4.5- 10.5 13.5 16.59) A sinusoidal wave of frequency 500 Hz has a velocity of 350 m/sec. a) How far apart are (2) points that differ in phase by t/3 radians? b) What is the wavelength of the wave? c) What is the time interval between these (2) points? d) What is the period of the wave? e) What is the angular frequency? f) What is the constant of propagation?