Physics
Physics, 10.12.2019 17:31, gabbymay85

For a person with normal hearing, the faintest sound that can be heard at a frequency of 400 hz has a pressure amplitude of about 6.0 10 pa. calculate the (a) intensity; (b) sound intensity level; (c) displacement amplitude of this sound wave at 20c

answer
Answers: 3

Other questions on the subject: Physics

image
Physics, 22.06.2019 15:20, avree4722
Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.
Answers: 3
image
Physics, 22.06.2019 15:30, jonathanmagana112002
Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
Answers: 3
image
Physics, 22.06.2019 16:30, lululoveee586
What happens when you slowly pulled the carboard?
Answers: 2
image
Physics, 22.06.2019 22:00, tiffanydowell13
Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane
Answers: 1
Do you know the correct answer?
For a person with normal hearing, the faintest sound that can be heard at a frequency of 400 hz has...

Questions in other subjects:

Konu
Mathematics, 31.10.2020 17:00
Konu
History, 31.10.2020 17:00