Physics, 04.12.2019 05:31 shelbyp2003
Electromagnetic radiation is emitted by accelerating charges. the rate at which energy is emitted from an accelerating charge that has charge q and acceleration a is given by dedt=q2a26ĻĻµ0c3 where c is the speed of light. part aif a proton with a kinetic energy of 5.0 mev is traveling in a particle accelerator in a circular orbit with a radius of 0.530 m , what fraction of its energy does it radiate per second? (de/dt)ā 1se =
Answers: 2
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What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.
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An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45ā. what percentage of the initial intensity is transmitted by the system?
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Physics, 22.06.2019 05:40
An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
Answers: 1
Electromagnetic radiation is emitted by accelerating charges. the rate at which energy is emitted fr...
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