Physics, 30.10.2021 03:00 jgcugucgucg
What phase of matter are most elements at room temperature and pressure
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Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
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Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
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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, 22.06.2019 23:40
What is the magnitude of the gravitational force acting on the earth due to the sun?
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What phase of matter are most elements at room temperature and pressure...
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