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- Order the following waves by their wave vector. Negative wave vectors are less than positive wave vectors. a) y(x, t) = 4 sin(x - t) b) y(x, t) = 4 sin(-x- - t) - c) y(x, t) = 4 sin(2x - 5t) d) y(x, t) = sin(-2x - t) a) > c) > d) > b) d) >b) > c) > a) c) = d) > a) = b) c) > a) > b) > d) A3: Which of the following describes a standing wave of amplitude 0.5 m, wavelength 2 m and period 32 of amplitude s? (in each, z is in m and t is in s) a: 0.5 sin(x-t/16) b: 0.5 sin(x/16-nt) c: 0.5 sin(x) cos(nt/16) d: 0.5 sin(x/16) cos(nt) e: sin(x) cos(16mt)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
- Can Please Help Me: Waves and Optics/Physics 60 minutes only the given time. Wish you could help me. I will give UPVOTE and GOOD FEEDBACK. //Question A closed organ pipe has a length of 0.800 m. At 20.0°C, what are the frequencies of (a) the second harmonic and (b) the third harmonic? //Question#8None