A single-atom crystalline chain with an Space between 3x10 ^-10m. If the velocity of sound is equal to 300 m/ sec, calculate the cutoff frequency wm
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- Estimate an approximate value for the Debye temperature, if there are 2x1023 atoms in a material occupying a volume of 4.65 x 10-6 m3. Assume the speed of longitudinal and transverse velocity of sound to be 4670 ms-1 and 1600 ms-1, respectively.A sound wave, generated at a frequency of 440 hertz has a wavelength of 2.3 meters as ittravels through a solid material. The approximate speed of the wave is ____ m/sec.a. 140b. 190c. 760d. 1,000A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 5.83 104 Hz, and if the speed of sound in air is 343 m/s, what is the smallest insect a bat can detect?mm
- The 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 homogeneous pulley with two grooves consists of two wheels which turn together as one around the same axis. The moment of inertia of the two wheels together is ICM = 40 kg m2. The radii are: R1 = 1.2 m and R2 = 0.4 m. The masses that hang on both sides of the pulley are m1 = 36 kg and m2 = 12 kg. We will assume that the masses of the ropes are negligible. Determine the angular acceleration of the pulley, acceleration of the masses, and the tensions of the ropes.The level of sound D in decibels is defined as follows: 10 log (10-16) I where I is the sound intensity in watts per centimeters squared. Determine the level in decibels of a sound with intensity I 10-8 watts ст?
- The speed of sound in an ideal gas (not air) is 750 m/s at -50°C. What is the speed of sound in the same gas at T = 55°C? The absolute zero temperature is -273.15°C. The speed of sound, cs(T = 55°C) = UnitsA bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 51.0 kHz, and if the speed of sound in air is 340 m/s, what is the smallest insect a bat can detect?mm102 kg/m3? What is the speed of sound in benzene, which has a bulk modulus of 1.05 x 109 Pa and a density of 8.76 x 1094.82 km/s