Physics, 20.08.2019 18:10, lovebaeforlife351
A130-kw radio station broadcasts its signal uniformly in all directions. part a) what is the average intensity of its signal at a distance of 7.60 km from the station?
part b) what is the rms value of the electric field in this radio wave? express your answer to three significant figures and include appropriate units. part c) if a 1.22-m receiving antenna is oriented parallel to the electric field of the radio wave, what rms voltage appears between its ends?
Answers: 2
Physics, 21.06.2019 21:40, lolz55678
Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
Answers: 1
Physics, 22.06.2019 05:00, ajajjsisi9x8
Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio
Answers: 1
Physics, 22.06.2019 07:50, brittneeyy
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).
Answers: 3
A130-kw radio station broadcasts its signal uniformly in all directions. part a) what is the average...
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