Physics, 01.09.2019 11:00 tylerfaich
Alaser used to dazzle the audience at a rock concert emits blue light with a wavelength of 463 nm . calculate the frequency of the light.
Answers: 1
Physics, 21.06.2019 18:00, nnyahtoland
8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )
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Physics, 21.06.2019 22:30, celibe9391
What is the earliest point in the universe that we can observe? why can’t we see back further than this?
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Physics, 22.06.2019 11:30, ramirezzairap2u4lh
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)
Answers: 3
Physics, 22.06.2019 18:00, cratsley321
By what primary heat transfer mechanism does the sun warm the earth?
Answers: 1
Alaser used to dazzle the audience at a rock concert emits blue light with a wavelength of 463 nm ....
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