Physics, 11.02.2021 19:00 mathman783
A kayaker moves 18 meters southward, then 32 meters
northward, and finally 24 meters southward.
what was the distance it moved
what is the magnitude and direction of the displacement
Answers: 2
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This is how zirconium appears in the periodic table. rounded to the nearest whole number, how many electrons are in an atom of zirconium?
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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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
Answers: 3
A kayaker moves 18 meters southward, then 32 meters
northward, and finally 24 meters southward.
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