A 5.0 kg ball hangs from a steel wire 1.00 mm in diameter and 3.00 m long. What would be the speed of a wave in the steel wire? Express your answer using two significant figures. ΜΕ ΑΣΦ v = 69.08 [w] ? m/s

A sound wave traveling in air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?

A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels in air at a speed of v=343.00 m/s. (a) What is the wave number of the sound wave? (b) What is the value for P(3.00 m, 20.00 s)?

(a) What is the fundamental frequency of a 0.672-mlong tube, open at both ends, on a day when the speed of sound is 344 m/s? (b) What is the frequency of its second harmonic?

A string on the violin has a length of 23.00 cm and a mass of 0.900 grams. The tension in the string 850.00 N. The temperature in the room is TC=24.00C . The string is plucked and oscillates in the n=9 mode. (a) What is the speed of the wave on the string? (b) What is the wavelength of the sounding wave produced? (c) What is the frequency of the oscillating string? (d) What is the frequency of the sound produced? (e) What is the wavelength of the sound produced?

The pressure in a sound wave in steel is given by p(x, t) = patm + p0 cos (2.4x - (1.4 × 104)t), where patm is atmospheric pressure, p0 is the amplitude of the wave, x is in m, and t in s. What are the speed and frequency of this wave?

21.13. A horizontal spring is jiggled back and forth at one end by a device that makes 80 oscillations in 12 s. What is the speed of the longitudinal waves if condensations are separated by 15 cm as the wave progresses down the spring? Ans. 1.00 m/s

and 4.00 m from the other? Ans. 4.1 rad 7. A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the bat emits an ultrasonic sound wave with frequency 30 kHz. What frequency does the bat hear in the reflected wave? 8 The solution of travelling wave v(cos(kx - wt) is Ans. 30,888 kHz w²0²y a²y

The speed of sound in air at room temperature is 343 m/s. What is the frequency of a sound wave in air with wavelength 1.71 m (in Hz)? What is the frequency of a radio wave with wavelength 1.71 m? (Radio waves are electromagnetic waves that travel at 3.00 × 108 m/s in air or in vacuum.)

I got .28sin(19pix-13034pit) which is incorrect