The area of a typical eardrum is about 5.0 x 10-5 m. (a) Calculate the sound...
The area of a typical eardrum is about 5.00 x 10- ^5 m^2. Calculate the sound power (the energy per second) incident on an eardrum at: a) the threshold of hearing, and, b) the threshold of pain
The area of a typical eardrum is about 5.1 × 10?5 m2 a) Find the sound power (the energy per second) incident on an eardrum at the threshold of hearing 1 × 10?12 W/m2 . Answer in units of W. b) Find the sound power incident on an eardrum at the threshold of pain 1 W/m2 . Answer in units of
The area of a typical eardrum is about 5.00 x 10^-5 m^2. Calculate the average sound power incident on an eardrum at the threshold of pain, which corresponds to an intensity of 1.00 W/m^2. How much energy is transferred to the eardrum exposed to this sound for 3.05 min?
If the sound intensity is 6.8 x 10-10 W/m2, and assuming area of eardrum is 0.9 cm2, the energy falling on the human eardrum per second is (write your answer in terms of 10-14 joules):
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB (relative to the threshold of human hearing) for a period of 9.00 hours. An eardrum has an area of 3.42 x 10-4 m2. How much sound energy is incident on the eardrum during this time?
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB (relative to the threshold of human hearing) for a period of 9.00 hours. An eardrum has an area of 3.73 x 10-4 m2. How much sound energy is incident on the eardrum during this time? Number Units
An opera singer produces a decibel level of 109 dB at a distance of 0.400 m.The area of a typical eardrum is about 5.00 ✕ 10−5 m2.mAssume the sound propagates as a spherical wave. Determine the sound intensity I and power P incident on a typical eardrum at distances of 3.00 m and 21.0 m from the singer. ADDITIONAL PROBLEMS An opera singer produces a decibel level of 109 dB at a distance of 0.400 m. The area of a...
Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate (see the figure (Figure 1)). Typically, the diameter of this membrane is about 8.40 mm in humans. a)How much energy is delivered to the eardrum each second when someone whispers (19.5 dB ) a secret in your ear? (in Joule) b)To comprehend how sensitive the ear is to very small amounts of energy, calculate how fast a typical 2.50 mg mosquito would have to fly...
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.3 x 10^-7 m and a maximum speed of 2.9 x 10^-3 m/s. What is the frequency (in Hz) of the eardrum's vibration? What is the maximum acceleration of the eardrum?
Question B1 A building material X transmits 1% of the sound energy incident upon the wall under centre frequency of 250Hz. Another building material, Y has transmission coefficient of 6 x10? Define and calculate the sound reduction index R of materials X and Y at this frequency. Which building material has better sound insulation? Given that the threshold of hearing intensity Io = 10-12 W/m? (Correct the answer to 4 significant figures) (10 marks) 1