Physics, 27.02.2021 14:00 arjunchandrasek
Tyrel is learning about a certain type of metal that is used to make satellites. Learn that infrared light is absorbed by metal, X-ray light is transmitted through metal, and visible light is reflected off metal. Tyrel wonders if the metal will heat up if he illuminates it. Can light make metal heat up? Why or why not? Does it matter what kind of light falls on the metal?
Answers: 2
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
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Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)
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The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Physics, 22.06.2019 14:30
Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity
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Tyrel is learning about a certain type of metal that is used to make satellites. Learn that infrared...
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