Physics, 07.03.2021 23:00 emmalucilleblaha1995
le flacon ci _contre contient du carbone et du dioxygéne. modélise son contenu après la combustion de la totalité du carbone
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Physics, 22.06.2019 19:00
The law of reflection states that the angle of reflection is equal to the angle of
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Physics, 22.06.2019 22:00
1. what is the relationship between wavelength and the penetrating power of an electromagnetic wave? a) the penetrating power has no relationship to the wavelength. b) the penetrating power increases as the wavelength increases. c) the penetrating power decreases as the wavelength increases. d) the penetrating power decreases as the wavelength decreases. 2. as ice melts and turns into water, the speed of sound through the material would most likely do what? justify your answer. a) the speed would not change because the material is always water. b) the speed of sound would increase because the density of water is less than that of ice. c) the speed of sound would increase because energy is added to ice in order to make it melt. d) the speed of sound would decrease because sound travels faster through solids than liquids. 3.which of these waves need a medium to travel through? a) sound b) x-rays c) infrared rays d) visible light
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Physics, 23.06.2019 00:30
What types of radiation make up the electromagnetic spectrum?
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le flacon ci _contre contient du carbone et du dioxygéne. modélise son contenu après la combustion d...
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