3 Sound with a loudness of 100dB has an intensity of 1x102W/m?. (Note: It's 1x102 not 1x1012). Find the pressure and displacement amplitudes for this intensity of sound at a frequency of 512HZ.
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- .. A car horn emits a frequency of 400 Hz in 20 °C air, which has a speed of sound of 343 m/s. If the car is moving toward a stationary observer at 20 m/s, what is the frequency that is observed? fabs =f souroc V±V obs V±V Sobe = ? Source= VE source at 10 m/s in 15 °C air.Water ripples are produced by making a cork oscillate up and down at a frequency of 4Hz. The peaks of the ripples are0.02 meters apart. What is the speed of the water ripples?Determine the velocity of sound in mercury, which has a bulk modulus of 2.8 × 10^10 and a density of 1.36 × 10^4 kg/m³.
- Consider a sound wave in air that has displacement amplitude 2.40X10-² mm. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Amplitude of a sound wave in air. Part A Calculate the pressure amplitude for frequencies of 158 Hz . Take the bulk modulus of the air to be 1.42 × 105 Pa and the speed of sound to be 344 m/s Express your answer in pascals. pmaz = |98.30 Part B Submit Previous Answers Request Answer Be x Incorrect; Try Again; 4 attempts remaining pmaz = |983 Calculate the pressure amplitude for frequencies of 1580 Hz. Take the bulk modulus of the air to be 1.42 × 105 Pa and the speed of sound to be 344 m/s. Express your answer in pascals. Part C ? Be pmax = |9830 Pa Submit Previous Answers Request Answer (3 ? x Incorrect; Try Again; 5 attempts remaining Re 6 Calculate the pressure amplitude for frequencies of 1.58x104 Hz . Take the bulk modulus of the air to be 1.42 × 105 Pa Express your answer in pascals. Pa #3 ? Pa Submit Previous…In an experiment, students were testing their hearing range and found that it averaged about24.5 Hz to 1.82 x 104 Hz. What are the wavelengths of sound waves producing these frequencies in air where the speed of sound is 343 m/s?