If ear canals range in length from 0.018 to 0.026 m in an average population, what is the range of fundamental resonant frequencies? Take air temperature to be 37 C, which is the same as body temperature. min = max Hz Hz
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- The area of a typical eardrum is about 5.0 × 10–5m2 . Calculate the sound power (the energy per second) incident on an eardrum at (a) the threshold of hearing and (b) the threshold of pain.A man makes a loud holler. He hear an echo 1s later. If the air temperature is 25 oC, how far is he from the source of the echo?MTNSA-Take Care Mz. l N21% 10:51 PM Let a =i b=l and c=1.The quantity be wrthen witanhca ))? -ez+abex) partigular con in,a 7orm values andz.whot is the volve wz? to 07 w 首 A Note OCR Share More ...
- A synthetic seismogram is generated by from an acoustic impedance log bya. convolving it with an input pulseb. determining the density of each layerc. determining the seismic velocities of each layerd. generating a reflection coefficient log and convolving it with an input pulseThe conseculive haumonics of an aie column closed at one end aue 405'tlx. and s75 Hz . sespectively Find the fundamenel frequency of thi primitau aiu columý buct epen at beth ends.1. A 50-cd point light source is 3.0 inches above the desk. What is the surface lighting on the desk? 2. Consider the situation where an employee spent time in a number of different areas of the plant where he was exposed to a variety of noise levels as shown in the following. Determine his noise dose. Us ehwole number and answer completely. EXPOSURE NOISE LEVEL (dBA) 0.5 100 1 95 2 90 4.5 80
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