If the Mach number is 2.2 and the speed of an airplane measured by radar is 2115 km/h, what is the local speed of sound and the temperature of air? ► 11 8⁰ *** + v Paragraph V BIU A/ E E
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- An organ pipe that is 1.75 m long and open at both ends produces sound of frequency 303 Hz when resonating in its second overtone. What is the speed of sound in the room? m/sThe speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a electronic pinger in an air-tight glass jar and change the pressure of the air inside by a factor 1.3, while the volume, composition and temperature of the air remain the same. What speed would you measure for the sound inside the jar? Give your answer in m/s.A particular sound wave has a frequency of 1460 Hz. How much time passes while one wave is made? O 6.8 x 104 s O 0.23 s 1460 s O4.3 s 16 17 18 19 20 21 22 23
- *42. D A sound wave travels twice as far in neon (Ne) as it does in krypton (Kr) in the same time interval. Both neon and krypton can be treated as monatomic ideal gases. The atomic mass of neon is 20.2 u, and the atomic mass of krypton is 83.8 u. The temperature of the krypton is 293 K. What is the temperature of the neon?4. An observer is standing on the platform of a railway station. A train goes through the station without stopping. If the frequency of the train whistle decreases by a factor of 1/4 as it approaches and then passes him, calculate the speed of the train (assume the speed of sound in air = 343 m/s).A Moving to another question will save this response. Question 2 If the speed of sound in air at 0 °C is 331 m/s. What will be the speed of sound in air at 50 °C? 299 m/s 142 m/s 331 m/s 360 m/s None of these. AMoving to another question will save this response. ch 45
- Please help thank you! Information: The speed of sound in air at 20.0°C is v= 343 m/s. a) what is the wavelength of a 21.1-Hz sound wave in air at 20.0 Celsius? b)what is the wavelength of a 13.0-kHz sound wave in air at 20.0 Celsius?A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.10 s later. Find the depth of the well if the air temperature is 11.0°C. m30 m from an ultrasonic sensor. The total travel time of the ultrasonic wave is 33 ms (milliseconds). What is the speed of sound in these conditions?
- A source emits sound waves isotropically. The intensity of the waves 3.13 m from the source is 1.99 x 104 W/m². Assuming that the energy of the waves is conserved, find the power of the source. Number i UnitsCalculate the speed of sound in air when the temperature is 16°C. m/s v = 332 m/s + |0.59 t °CA typical adult ear has a surface area of 1.90 × 103 m². The sound intensity during a normal conversation is about 2.04 x 10-6 W/m² at the listener's ear. Assume that the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear? Number i Units