A wave is travelling along a rope. It is observed that the oscillator that generates the wave completes 50.0 vibrations in 75.0 s. Aso, a given maximum distance travels 730 cm along the rope in 10.0s. Prodict the wavelength?
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![A wave is travelling along a rope. It is observed that the oscillator that generates the wave
completes 50.0 vibrations in 75.0 s. Also, a given maximum distance travels 730 cm along the
rope in 10.0 s Prodict the wavelength?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F286b62e8-96d9-4201-b00f-949ed9b97e96%2F7996997b-40a0-466a-a0f2-b57837cbd78e%2F5hu6guc_processed.jpeg&w=3840&q=75)
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- An air column closed at one end is vibrating in its first resonant (or harmonic) length of 12cm. What is the wavelength of this column?650 Hz, and the train travels 16. A 12m rope is pulled tight with a tension of 92N. When one end of the rope is given a "thunk" it takes 0.45 sec. for the disturbance to propogate to the other end. What is the mass of the rope?Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). The P-waves have a speed of about 6 km/s. Estimate the average bulk modulus of Earth's crust given that the density of rock is about 2,800 kg/m3. Got 1.008 or 1.008 x 1011 Pa prior and said it was incorrect
- Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). The P-waves have a speed of about 9 km/s. Estimate the average bulk modulus of Earth's crust given that the density of rock is about 2800 kg/m3. PaThe air pressure variations in a sound wave cause the eardrum to vibrate. A) Find the maximum velocity of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 Hz. m/s B) Find the maximum acceleration of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 Hz.in m/s^2 C) Find the maximum velocity of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 kHz. in m/s D) Find the maximum acceleration of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 kHz. m/s^2A periodic vibration at x = 0, t = 0 displaces air molecules along the x direction by smax = 3.2E-05 m. The motion produces a sound wave that travels at a velocity of v = 336 m/s with a frequency of f = 120 Hz. Take the density of air as ρa = 1.20 kg/m3. Calculate the displacement of the air molecules using an function for the traveling sound wave in terms of time and position at time t = 0.001 s and displacement x = 1.0 m. Write an expression for the maximum pressure exerted by the sound wave ΔPmax in terms of the air density ρa, the sound velocity v, the angular frequency ω, and the maximum displacement smax. The sound wave is directly incident on a sheet of paper of surface area A = 0.013 m2. Calculate the maximum force Fmax, in newtons, exerted on this sheet.
- A nylon rope of length 18m is under a tension of 1.8 * 10^4 N. The total mass of this rope is 2.7 kg. If a wave pluse starts a one end of this rope, find its speed.(a) Expectant parents are thrilled to hear their unborn baby's heartbeat, revealed by an ultrasonic motion detector. Suppose the fetus's ventricular wall moves in simple harmonic motion with an amplitude of 1.70mm and a frequency of 130. per minute. Calculate the maximum linear speed of the heart wall. Suppose the motion detector in contact with the mother's abdomen produces sound at 1910000Hz, which travels through tissue at 1.50km/s. (b) Calculate the maximum frequency at which the sound would be perceived at the wall of the baby's heart. (c) Calculate the maximum frequency at which reflected sound is received by the motion detector. (By electronically "listening" for echoes at a frequency different from the broadcast frequency, the motion detector can produce beeps of audible sound in synchronization with the fetal heartbeat.)One end of a string is vibrated harmonic up and down by a vibrator with a frequency of 10 Hz and an amplitude of 6 cm, so that the vibration propagates to the right along a long rope with a speed of 20 m/s. If the vibrating source vibrates for the first time, determine: a) the general equation for the deviation of the wave!
- The length of nylon rope from which a mountain climber is suspended has a force constant of 1.50 x 104 N/m. (a) What is the frequency at which he bounces, given his mass plus equipment to be 72.5 kg? 2.305 Hz (b) How much would this rope stretch to break the climber's fall, if he free falls 2.00 m before the rope runs out of slack? 0.55 Can you determine the kinetic energy of the climber at the instant when the rope runs out of slack? As the rope stretches, what types of potential energy are important? m (c) Repeat both parts of this problem in the situation where twice this length of nylon rope is used. bounce frequency Hz distance stretched EmA periodic vibration at x = 0, t = 0 displaces air molecules along the x direction by smax = 3.2E-05 m. The motion produces a sound wave that travels at a velocity of v = 336 m/s with a frequency of f = 120 Hz. Take the density of air as ρa = 1.20 kg/m3. Calculate the wavelength λ of the sound wave, in meters. Calculate the wavenumber k of the sound, in radians per meter. Calculate the angular frequency of the sound ω, in radians per second.A model aircraft with an engine producing vibrations of constant frequency of ?0 =500 ?? flies at a constant speed in horizontal circle of radius ? = 15 ? and completes one revolution in 5.0 ?. An observer situated in the plane of the circle and 50 ? from its centre monitors the frequency of sound from the engine. Using the speed of sound in air as 340 m/s, calculate the maximum and minimum observed frequencies.