Physics, 31.12.2019 06:31 Redhead667
Abeam of unpolarized light in air strikes a flat piece of glass at an angle of incidence of 54.2 degrees. if the reflected beam is completely polarized, what is the index of refraction of the glass? ( show work)
a. 1.60
b. 1.39
c. 1.52
d. 2.48
Answers: 1
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Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?
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Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
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Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.
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Physics, 22.06.2019 04:00
All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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Abeam of unpolarized light in air strikes a flat piece of glass at an angle of incidence of 54.2 deg...
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