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vacuum. Exorcist 2.3. Think Critically! Instructions: Solve the following problems below and write your answer on a separate sheet of paper. Show your solution. 1. A bat can detect very small objects, such as an insect whose length is approximately equal to one wavelength of the sound the hat makes. If a bat emits chirps at a frequency of 60.0 kHz, and if the speed of sound in air is 340 mfs, what is length of the smallest insect the bat can detect? 2. A sound wave in air has a pressure amplitude equal to 4.00 x 10-3 N/mz. Calculate the displacement amplitude of the wave at a 'equency of 10.0 kHz. 3. A sinusoidal sound wave is described by the displacement wave function a. Find the amplitude, wavelength, and speed of this wave. 1:. Determine the instantaneous displacement from equilibrium of the elements of air at the position x- 0.0500 in at t - 3.00 milli second. c. Determine the maximum speed of the element's oscillatory motion. 4. A vacuum cleaner produces sound with a measured sound level of 70.0 dB. a. What is the intensity of this sound in me9? b. What is the pressure amplitude of the sound? 5. The intensity of a sound wave at a xed distance from a speaker vibrating at 1.00 kHz is 0.600 Win-13. a. Determine the intensity if the frequency is increased to 2.50 kHz while a constant displacement amplitude is maintained. in. Calculate the intensity if the frequency is reduced to 0.500 kHz and the displacement amplitude is doubled