Physics, 16.06.2020 14:57, kierafisher05
Given that the speed of sound in air is 330m/s ,calculate the frequency of a note which setup a wavelength of 5cm in air. Is this frequency within the limits of audibility of the human ear?
Answers: 2
Physics, 22.06.2019 14:30, samehajamal1234567
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
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
Physics, 23.06.2019 06:10, meeeekmill
Ais on of a in a of r at v. by ofof b by a of ? 13.by a of .by a of .by a of .by a of . a) b) c) d)
Answers: 3
Given that the speed of sound in air is 330m/s ,calculate the frequency of a note which setup a wave...
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