Physics, 27.03.2021 08:00 Clervoyantyvonne
The ball is thrown horizontally from a height of 20 m. What is the initial velocity of the body if the ball falls to the ground three times faster than its original speed?
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If y gets smaller as x gets bigger and y have an relationship?
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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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What surface does the epithelial tissue cover? a. the surface of the body b. lines internal organs c. forms many glands d. all of the above
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Based on the image below what would an observer on the nighttime side of earth observe?
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The ball is thrown horizontally from a height of 20 m. What is the initial velocity of the body if t...
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