subject
Physics, 27.08.2019 12:00 yungdaggerdic4543

Sound waves
a. have an irregular vibration pattern.
b. do not require a medium for transmission.
c. are a change of pressure that moves through matter.
d. move at the same rate at any given temperature.

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 20:30
If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply
Answers: 1
question
Physics, 22.06.2019 00:30
Glass is transparent to visibile light under normal conditions; however, at extremely high intensities, glass will absorb most of the light incident upon it. this works through a process known as multiphoton absorption. in this process, several photons are absorbed at the same time. if very intense light whose photons carry 2ev of energy is shined onto a material with a band gap of 4ev, that light can be absorbed through two-photon absorption, because two photons have the right amount of energy to bridge the band gap. what is the minimum number of photons of 800-nm light that are needed to equal or exceed the band gap of fused silica glass
Answers: 1
question
Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
question
Physics, 22.06.2019 06:40
Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?
Answers: 2
You know the right answer?
Sound waves
a. have an irregular vibration pattern.
b. do not require a medium for trans...
Questions
question
Mathematics, 11.10.2020 23:01
question
Mathematics, 11.10.2020 23:01
Questions on the website: 13722367