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Question 4
The threshold wavelength for tungsten is 2,730 Angstrom, and the threshold wa...
Physics, 10.06.2021 23:40, pbargy7830
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Question 4
The threshold wavelength for tungsten is 2,730 Angstrom, and the threshold wavelength for cesium oxide is 7.000 Angstrom. A particular light source
produces photoelectrons from cesium oxide but not from tungsten. Which of the following is the most reasonable value of the wavelength of the light
source?
Answers: 2
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Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
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