Physics, 29.08.2019 18:30 cathydaves
Aradio station has a frequency of 101.9 mega hertz. what is the wavelength in meters of the waves the ones from its radio tower.
Answers: 2
Physics, 21.06.2019 13:10, holaadios222lol
An unknown substance has a melting point of 1064 ∘c, is insoluble in water, conducts electricity as a solid, and is hard. given these properties, which of the following are possible identities for the unknown substance? check all that apply. view available hint(s) check all that apply. sio2 f2 au kbr
Answers: 3
Physics, 22.06.2019 16:50, JeroMii
Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
Answers: 2
Physics, 23.06.2019 01:30, missfuture2020p5umxt
Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?
Answers: 1
Physics, 23.06.2019 01:40, gatorboy1788
The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
Answers: 1
Aradio station has a frequency of 101.9 mega hertz. what is the wavelength in meters of the waves th...
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