subject
Physics, 23.11.2019 06:31 msalecora

Normal conversation has a sound level of about 60 db. how many times more intense must a 100-hz sound be compared to a 1000-hz sound to be perceived as equal to 60 phons of loudness?

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 21.06.2019 20:50, twhalon72
Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t − 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.
Answers: 1
image
Physics, 21.06.2019 23:10, theh301234
6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
Answers: 2
image
Physics, 22.06.2019 11:10, ladybee05
Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
Answers: 3
image
Physics, 22.06.2019 15:20, ineedhelp2285
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
You know the right answer?
Normal conversation has a sound level of about 60 db. how many times more intense must a 100-hz soun...

Questions in other subjects:

Konu
Mathematics, 20.10.2020 21:01
Konu
Mathematics, 20.10.2020 21:01
Konu
Mathematics, 20.10.2020 21:01